St. Louis, Missouri - As "Inna Gada Da Vida" plays scarily in the background, we view a young blond woman, beaten and bloody, tied to a chair. A man stands a few feet away, examining a knife. Outside the house, a SWAT team is making their way toward the home, flashlights and guns shooting thick yellow and thinner red beams everywhere. They reach the front door and put a bullet through the handle, unlocking it. In the bedroom, the girl tries to scream and move her hands, but the man covers her mo... read more St. Louis, Missouri - As "Inna Gada Da Vida" plays scarily in the background, we view a young blond woman, beaten and bloody, tied to a chair. A man stands a few feet away, examining a knife. Outside the house, a SWAT team is making their way toward the home, flashlights and guns shooting thick yellow and thinner red beams everywhere. They reach the front door and put a bullet through the handle, unlocking it. In the bedroom, the girl tries to scream and move her hands, but the man covers her mouth to stifle the sound. The SWAT team is now searching the house, observing the walls and furniture are splashed with blood. They enter another room, allowing the man to leave the bedroom and attempt escape. After searching the rest of the house, the SWAT team enters the bedroom and finds the girl. They start to untie her. It's OK, they assure her. She points to the room across the hall, then, the gag out of her mouth, says, "In there! In there!" The SWAT team moves to the other room. The man is there, trying to open a pair of doors leading to a balcony. "Freeze!" orders a SWAT officer--"Don't move! Drop the knife. Keep your hands where I can see 'em. Drop it! Hold it right there! Do it!" The man turns around--it's the battered, bloody face of Dean Winchester.


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One week earlier - Sure Gas gas station - The Impala pulls in. "All right," says Dean, "I figure we'd hit Tucumcari by lunch, then head south, hit Bisbee by midnight." When Sam ignores him, Dean adds, "Sam wears women's underwear." "I've been listenin'," Sam assures him, checking e-mail on his Palm Pilot, "I'm just busy." "Busy doin' what?" asks Dean. "Reading e-mails," replies Sam. Dean gets out of the car and starts to fill the tank with gas. "E-mails from who?" he asks his brother. "From my f... read more One week earlier - Sure Gas gas station - The Impala pulls in. "All right," says Dean, "I figure we'd hit Tucumcari by lunch, then head south, hit Bisbee by midnight." When Sam ignores him, Dean adds, "Sam wears women's underwear." "I've been listenin'," Sam assures him, checking e-mail on his Palm Pilot, "I'm just busy." "Busy doin' what?" asks Dean. "Reading e-mails," replies Sam. Dean gets out of the car and starts to fill the tank with gas. "E-mails from who?" he asks his brother. "From my friends at Stanford," says Sam. "You're kidding," says Dean, "you still keep in touch with your college buddies?" Sam asks why not, and Dean wants to know exactly what he tells them--you know, where you've been, what you've been doing? I tell them I'm on a road trip with my big brother, I needed some time off after Jess, says Sam. Oh, you lie to them, says Dean. No, says Sam, I just don't tell them everything. That's lying, insists Dean; I get it, telling the truth is far worse. So what am I supposed to do, demands Sam, cut everyone out of my life? Dean shrugs. You're serious? asks Sam. It sucks, says Dean, but you can't get close to people with a job like this, period. You're anti-social, accuses Sam. Whatever, tosses back Dean. Sam continues reading his e-mail. Sam tells Dean about an e-mail he got from Rebecca Warren, a friend of his. Dean of course, wants to know if she's hot. Sam ignores that. "I went to school with her, and her brother, Zack," explains Sam, "she says Zack's been charged with murder. He's been arrested for killing his girlfriend. Rebecca says he didn't do it, but it sounds like the cops have a pretty good case." "Dude, what kind of people are you hangin' out with?" asks Dean. Sam insists, "I know Zack. He's no killer." "Well, maybe you know Zack as well as he knows you," suggests Dean. "They're in St. Louis--we're goin'," says Sam firmly. Dean chuckles. "Look, sorry 'bout your buddy, okay?" he says. "But this does not sound like our kind of problem." "It is our problem," corrects Sam, "they're my friends." "St. Louis is four hundred miles behind us, Sam," Dean reminds him. They exchange a look. A minute later, they pull out of the gas station and start driving towards St. Louis.

Warren residence - Rebecca opens the door and sees Sam and Dean. "Oh my God, Sam!" cries Rebecca happily. "Well, if it isn't little Becky," teases Sam. "You know what you can do with that little Becky crap," she says. She grins; they hug. He says he got her e-mail, but she says she didn't think he'd come here. Dean steps forward and offers his hand. "Dean. Older brother," he says. She shakes his hand. "Hi," she says. "Hi," he says back. "We're here to help," Sam assures her. "Whatever we can do." She invites them in; they enter the luxurious home. Dean shuts the door. "Nice place," he observes. "It's my parents'," explains Rebecca, "I was just crashing here for the long weekend when everything happened. I decided to take the semester off. I'm gonna stay until Zack's free." "Where are your folks?" Sam asks. "They live in Paris for half the year," she says, "so they're on their way home now for the trial." As they enter the kitchen, Rebecca offers, "Do you guys want a beer or something?" Dean, grinning, says an eager, "Hey!" "No, thanks," says Sam quickly, "so, tell us what happened." "Well," she begins, close to tears, "um, Zack came home, and he found Emily tied to a chair. And she was beaten up and bloody, and she wasn't breathing. So, he called 911, and the police --they showed up, and they arrested him. But, the thing is, the only way that Zack could've killed Emily is if he was in two places at the same time. The police--they have a video. It's from the security tape from across the street. And it shows Zack coming home at 10:30. Now, Emily was killed just after that, but I swear, he was here with me, having a few beers until at least after midnight." "You know, maybe we could see the crime scene, Zack's house," suggests Sam. "We could," says Dean. "Why?" asks Rebecca--"I mean, what could you do?" "Well, me, not much," says Sam, "but Dean's a cop. Dean laughs, surprised, and says, "Detective, actually." "Really?" she asks. Dean nods. "Where?" she asks. "Bisbee, Arizona," lies Dean smoothly, "but I'm off-duty now. "You guys, it's so nice to offer," says Rebecca,"but I just--I don't know." "Bec, look," says Sam, "I know Zack didn't do this. Now, we have to find a way to prove that he's innocent." "Okay," she agrees, "I'm gonna go get the keys." She walks away, down the hall. Dean whistles and says, "Oh, yeah, man, you're a real straight shooter with your friends!" "Look, Zack and Becky need our help," says Sam. "I just don't think this is our kind of problem," says Dean. "Two places at once?" Sam reminds him, "we've looked into less. Dean says nothing; Sam is right.

Zack's house - Dean, Sam, and Rebecca park the Impala and get out. "You're sure this is okay?" Rebecca asks Dean. "Yeah. I am an officer of the law," he says. All the walls and furniture are smeared with blood. We see a photo of Zack in a blood-spattered frame with a young woman; next to it is CSI marker #4. Sam and Dean enter and look around. Rebecca hesitates on the porch steps, behind crime scene tape. "Bec, you wanna wait outside?" asks Sam. "No, I wanna help," she insists, still looking afraid. She ducks under the tape and enters the house. "Tell us what else the police said," says Sam. Choked up, she replies, "Well, there's no sign of a break-in. They say that Emily let her attacker in. The lawyers--they're already talking about plea bargain." She looks around the room, crying. "Oh, God!" she sobs. "Look, Bec," says Sam, "if Zack didn't do this, it means someone else did. Any idea who?" She shakes her head, then is struck by something: "Um, there was something, about a week before. Somebody broke in here and stole some clothes--Zack's clothes. The police--they don't think it's anything. I mean, we're not that far from downtown. Sometimes people get robbed." Sam walks away. Dean moves to the open front door and notices the neighbor's dog, who has been barking incessantly ever since they arrived at the apartment. Rebecca moves up behind him. "You know, that used to be the sweetest dog," she says. "What happened?" asks Dean. "He just changed," she says. "Do you remember when he changed?" asks Dean. "I guess around the time of the murder," she says. Dean looks at her, scowls, and walks away.

Kitchen - Sam stands looking at a picture of himself, Zack, and Rebecca on the fridge, all smiling. Dean walks over to him and says, "So, the neighbor's dog went psycho right around the time Zack's girlfriend was killed." "Animals can have a sharp sense of the paranormal," says Sam. "Yeah, maybe Fido saw somethin'," says Dean. "So, you think maybe this is our kind of problem?" asks Sam, grinning. "No. Probably not," says Dean, "but we should look at the security tape, you know, just to make sure." They both say yeah, grinning. Rebecca walks over to them. "So, the tape," says Dean, "the security footage--you think maybe your lawyers could get their hands on it, 'cause I just don't have that kind of jurisdiction." "I've already got it," she says, "I didn't wanna say something in front of the cop." Dean laughs. "I stole it off the lawyer's desk," she says, "I just had to see it for myself." "All right," says Dean, impressed with Rebecca. Sam stares at the photo again, focusing on Zack's smiling face, He has his arm around both Zack and Rebecca, and they all look very happy. Zack's face morphs into. . .

Bizarrely, Zack is sitting on a bench across the street from a house. He watches an Asian man, Alex, come out of the house with his wife, Lindsay. "I'll be home tomorrow night," promises Alex, pressing lots of kisses on his pretty wife. "I'll make it up to you." She's clearly sorry to see him go. Alex gets in his car and drives away. Lindsay blows him another kiss. Zack watches Lindsay go back in the house in slow mo. He smiles evilly; his eyes glint silver for a moment before returning to normal.

Dean, Sam, and Rebecca watch the security footage. "Here he comes," says Rebecca. The tape shows Zack entering his house. "22:04, that's just after ten," notes Dean, "you said time of death was about 10:30." "Our lawyers hired some kind of video expert," says Rebecca, "he says the tape's authentic. It wasn't tampered with." Sam catches something on the tape and asks Rebecca if he and Dean can have those beers now. Sure, she says, and starts heading into the kitchen. He requests sandwiches, too. "What do you think this is, Hooters?" asks Rebecca, but, eager to please, she leaves the room. "I wish," says Dean, and goes over to Sam--"What is it?" "Check this out," says Sam.

He rewinds the tape, then replays it. One of the frames shows Zack looking directly at the camera. His eyes are silver. Sam pauses the tape. "Well, maybe it's just a camera flare," suggests Dean. "That's not like any camera flare I've ever seen," says Sam, "you know, a lot of cultures believe that a photograph can catch a glimpse of the soul. Remember that dog that was freakin' out? Maybe he saw this thing. Maybe this is some kind of dark double of Zack's, something that looks like him but isn't him." "Like a Doppelganger," says Dean.
"Yeah," says Sam, "it'd sure explain how he was two places at once."


Alex and Lindsay's house - Alex returns home, calling out to his wife, "Honey, it's me. Flight canceled at the last minute. He sets down his briefcase and keys and looks around. "I called. Why didn't you answer?" No response. "Lindsay?" He looks around. "Lindsay?" "He turns, sees blood spattered on the wall and is immediately panic-stricken. "Lindsay??" He opens the door to a nearby room and finds his wife tied in a chair, beaten and bloody. He rushes over and slips the gag from her mouth. "It's OK, Lindsay, it's me." "Please, don't hurt me anymore!" she begs, terrified of him, "leave me alone!" Alex stares at her, aghast, and after trying to untie her bloody wrist, backs away. Hearing something break in the other room, he backs away from her fear of him and goes to investigate. He looks around the living room and suddenly turns to find himself face to face with his exact twin, holding a baseball bat. Alex stares at him, puzzled, as the double's eyes glint silver. Before Alex can make a move, he is struck upside the head, hard, with the bat.
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Zack's house - Dean, cup of coffee in hand, and Sam park the Impala behind the house and get out. "All right," complains Dean, "so what are we doin' here at 5:30 in the morning?" "I realized something," says Sam, "the videotape shows the killer goin' in, but not comin' out." "So, he came out the back door?" says Dean, leaning against the hood of the car. "Right," says Sam, "so, there should be a trail to follow, a trail the police would never pursue." "'Cause they think the killer never left. An... read more Zack's house - Dean, cup of coffee in hand, and Sam park the Impala behind the house and get out. "All right," complains Dean, "so what are we doin' here at 5:30 in the morning?" "I realized something," says Sam, "the videotape shows the killer goin' in, but not comin' out." "So, he came out the back door?" says Dean, leaning against the hood of the car. "Right," says Sam, "so, there should be a trail to follow, a trail the police would never pursue." "'Cause they think the killer never left. And they caught your friend Zack inside." "I still don't know what we're doin' here at 5:30 in the morning," Dean adds to himself, sipping his coffee. Checking around the outside of the building, Sam finds blood smeared on a nearby telephone pole. "Blood," he notes, "somebody came this way." "Yeah, but the trail ends," says Dean, "I don't see anything over here." An ambulance rides past them; they exchange a look.

Outside Alex and Lindsay's house, crime scene tape is being rolled out and people are standing around, gossiping. "What happened?" Dean asks a woman. "He tried to kill his wife," she replies, "tied her up and beat her." "Really?" says Sam. "I used to see him going to work in the morning," the woman says, "he'd wave, say hello. He seemed like such a nice guy." They watch as Alex, handcuffed, is escorted into a police car and taken away.

Sam heads around the side of the house, looking around. He looks inside two garbage cans but finds nothing. He moves to the front of the house, where Dean meets him and says, "Hey. Remember when I said this wasn't our kind of problem?" "Yeah," says Sam. "Definitely our kind of problem," says Dean. "What'd you find out?" asks Sam. "Well," says Dean, "I just talked to the patrolman who was first on the scene, heard this guy, Alex's story. Apparently the dude was driving home from a business trip when his wife was attacked." "So, he was two places at once," says Sam. "Exactly," says Dean--"then he sees himself in the house, police think he's a nut job." "Two dark doubles attacking loved ones in exactly the same way," says Sam. "Could be the same thing doin' it, too," says Dean. Sam ponders this for a moment. "Shape-shifter?" he suggests. Dean shrugs. "Something that can make itself look like anyone?" adds Sam.
"Every culture in the world has a shape-shifter lore," says Dean, "you know, legends of creatures who can transform themselves into animals or other men." "Right," agrees Sam, "skin-walkers, werewolves." "We've got two attacks within blocks of each other," says Dean, "I'm guessin' we've got a shape-shifter prowlin' the neighborhood." "Let me ask you this," says Sam, "in all this shape-shifter lore, can any of them fly?" "Not that I know of," says Dean. "I picked up a trail here," says Sam, "someone ran out the back of this building and headed off this way. "Just like your friend's house," observes Dean. "Yeah," says Sam, "and, just like at Zack's house, the trail suddenly ends. I mean, whatever it is just disappeared." "Well, there's another way to go," says Dean--"down." They look down--a manhole.

Dean and Sam climb down inside and look around. (creepy times a hundred!!) "I bet this runs right by Zack's house, too," says Sam, "the shape-shifter could be using the sewer system to get around." "I think you're right," says Dean, "look at this." Grossed out, they bend down to check out a pile of blood and skin on the ground. "Is this from his victims?" asks Sam. Dean takes out a pocketknife and holds up some of the skin. "You know," he says, "I just had a sick thought. When the shape-shifter changes shape--maybe it sheds." "That is sick," agrees Sam. Dean replaces the bloody goop hanging from his knife back on the ground.

Dean opens the Impala's trunk and takes out some weapons. "Well," says Dean, "one thing I learned from Dad, is that no matter what kind of shape-shifter it is, there's one sure way to kill it." "Silver bullet to the heart," supplies Sam. "That's right," says Dean. Sam answers his cell phone: "This is Sam." The scene alternates between the car and Rebecca's kitchen. "Where are you?" she demands. "We're near Zack's, we're just checkin' some things out," says Sam. "Well, look, Sam, just stop, 'cause I really don't need your help anymore," she says. "What are you talkin' about?" asks Sam. "I told the lawyers that we went to the crime scene," she says. "Why would you do that?" asks Sam, annoyed. "Well," she says, "I told them that we were with a police officer. And they checked it out, and they told me that there is no Detective Dean Winchester." "Bec--" begins Sam. "No," she says, upset, "I don't understand why you would lie to me about something like that." "We're tryin' to help." says Sam. "Oh, trying to help?" cries Rebecca. "Do you realize that that was a sealed crime scene? This could have just ruined Zack's case." "Bec, I'm sorry, but--" "No, goodbye, Sam," she says, and hangs up. Dean walks over to Sam, who is upset. "I hate to say it, but that's exactly what I'm talkin' about," says Dean, "you lie to your friends because if they knew the real you, they'd be freaked. It's just--it'd be easier if--" "--if I was like you," finishes Sam. "Hey, man,", says Dean, "like it or not, we are not like other people. But I'll tell you one thing. This whole gig-- it ain't without perks. He holds up a gun. Sam takes it and slips it into the back of his jeans. They walk away.

Sewer - Dean and Sam look around, guns in one hand, flashlights in the other. "I think we're close to its lair," says Dean. "Why do you say that?" asks Dean. "Because there's another puke-inducing pile next to your face," Dean points out. Sam spots another mass of blood and skin on a nearby pipe. "Oh, God!" says Sam, disgusted. They look around the area and see a pile of clothes in a corner. "Looks like it's lived here for a while," says Dean. "Who knows how many murders he's gotten away with?" asks Sam. Sam turns and sees the shape-shifter, still in Alex's guise, standing behind Dean. "Dean!" cries Sam. Dean turns; the shape-shifter punches him, sending Dean to the ground. The shape-shifter runs away. Sam shoots after it twice, but misses. He moves over to check on Dean, who is hurting. "Get the son of a bitch!" orders Dean. The brothers take off after the shape-shifter.

Out on the street, the shape-shifter comes out of the manhole and runs off, still in Alex's form. Seconds later, Sam and Dean exit the manhole and look around. "All right, let's split up," suggests Sam. "All right," agrees Dean, "I'll meet you around the other side." "All right," says Sam. They head off in opposite directions.

Sam searches, keeping his gun carefully hidden.

Dean searches, his gun exposed, frightening passersby. (A clue that something isn't right here.)

The brothers meet on a street corner where Sam is waiting. Dean comes up behind him. "Hey. Anything?" asks Dean. "No. He's gone," says Sam. "All right, let's get back to the car," says Dean. Sam crosses the street. Dean stops, waiting for a passing car to pass by. As the car drives past, Dean's eyes momentarily glow silver.
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Shifter-Dean and Sam stop at the car. "You think he found another way underground?" asks Sam. "Yeah, probably," answers the shape-shifter, "You got the keys?" Sam stops and thinks before turning around. "Hey, didn't Dad once face a shape-shifter in San Antonio?" he asks. "Oh, that was Austin," replies shifter-Dean, "it turned out not to be a shape-shifter, it was a thought form, a psychic projection, remember?" "Oh, right. Here ya go," says Sam, tossing him the keys. Shifter- Dean surveys the c... read more Shifter-Dean and Sam stop at the car. "You think he found another way underground?" asks Sam. "Yeah, probably," answers the shape-shifter, "You got the keys?" Sam stops and thinks before turning around. "Hey, didn't Dad once face a shape-shifter in San Antonio?" he asks. "Oh, that was Austin," replies shifter-Dean, "it turned out not to be a shape-shifter, it was a thought form, a psychic projection, remember?" "Oh, right. Here ya go," says Sam, tossing him the keys. Shifter- Dean surveys the contents, grinning with delight. "Don't move!" shouts Sam, holding a gun on him. As shifter-Dean slowly rises, hands up, Sam demands, "What have you done with him?" "Dude, chill, it's me, all right?" says shifter-Dean. "No, I don't think so," says Sam, "where's my brother?" "You're about to shoot him," says shifter-Dean, incredulous, "Sam, calm down." "You caught those keys with your left," accuses Sam, "your shoulder was hurting--" "Yeah, it's better," says shifter- Dean, "what do you want me to do, cry?" "You're not my brother," repeats Sam, gun steady. "Why don't you pull the trigger, then, hm?" asks shifter-Dean--"'Cause you're not sure. Dude, you know me." "Don't," warns Sam. Lightning-quick, shifter-Dean strikes Sam twice with a crowbar, sending him to the ground, unconscious.

Sam awakens to find himself down in the sewer, bound hand, foot and throat to a wood stanchion. Shifter-Dean, carrying a length of rope, comes over and slaps him hard across the face. Sam wants to know where Dean is, but the shifter tells him not to worry about his brother, but himself. "Where is he?" asks Sam. "You don't really want to know," answers shifter-Dean, giving him a nasty look. "I swear," adds shifter-Dean, "the more I learn about you and your family--I thought I came from a bad background." "What do you mean, learn?" asks Sam. The shape-shifter stops, grabs his head in pain and grimaces as a succession of audio clips from past episodes bursts through his head. Sam eyes shifter- Dean, confused. The shifter turns to Sam and says, "He's sure got issues with you. You got to go to college. He had to stay home. I mean, I had to stay home. With Dad. You don't think I had dreams of my own? But Dad needed me. Where the hell were you?" "Where is my brother?" repeats Sam insistently. Shifter- Dean leans in very close to Sam. "I'M your brother," he says. "See, deep down, I'm just jealous. You got friends. You could have a life. Me? I know I'm a freak. And sooner or later, everybody's gonna leave me." (How prophetic is that??) He backs away. "What are you talkin' about?" asks Sam. "You left," replies Shifter-Dean, "hell, I did everything Dad asked me to, and he ditched me, too. No explanation, nothin', just poof. Left me with your sorry ass. But, still, this life? It's not without its perks." He laughs. "I meet the nicest people. Like little Becky. You know, Dean would bang her if he had the chance. Let's see what happens." He smiles and covers Sam with a tarp.

Rebecca walks down a winding staircase to answer the door--Shifter-Dean. He guesses that she wants him off her porch, and she says that's exactly how she feels. "I admit it, we lied," he says charmingly. "Thought I'd try to explain myself. Sam told me not to come, but, you know, I thought, what the hell, I have to try." He grins.

Shifter's sewer lair - Sam is working to free himself from his bonds, not having much luck. "Damn it!" he says. He hears movement from somewhere, then coughing. "That better be you, Sam, and not that freak of nature," says the real Dean. Sam laughs with relief. "Yeah, it's me," answers Sam. Dean frees himself from the tarp and starts working on his ropes. "He went to Rebecca's, lookin' like you," adds Sam. "Well, he's not stupid," says Dean, "he picked the handsome one." Sam gives him an OH, REALLY? look and continues to work on his ropes.

Rebecca's house - Shifter-Dean and Rebecca sit before a nice fire. "So you're saying that there's something out there that made itself look like my brother," outlines Rebecca.
"Mmhmm," answers shifter-Dean. "What'd you call it?" she asks. "A shape-shifter," he replies. She laughs and rolls her eyes.
"Yeah, maybe we're crazy," he says, "but what if we're not? I mean, look, you said it yourself that Zack was in two places at once. Now, tell me how that can happen." "Okay, so, this thing--it can make itself look like anybody?" she asks. "That's right," says shifter-Dean. She chuckles. "Well, what is it, like a genetic freak?" she asks. Shifter-Dean laughs defensively and says, "Maybe. Evolution is about mutation, right? So, maybe this thing was born human but was different. Hideous and hated. Until he learned to become someone else." Rebecca looks around, uncomfortable. Shifter-Dean's eyes glint silver when her back is turned, and he smiles.

Shifter's lair - Sam and Dean are working hard to free themselves from their bonds. "Yeah, that's the thing," says Sam, "he didn't just look like you, he was you. Or he was becoming you." Dean is free of his ropes. "What do you mean?" he asks. "I don't know," says Sam, "it was like he was downloading your thoughts and memories." "You mean, like the Vulcan mind meld?" asks Dean. "Yeah, somethin' like that," says Sam, "I mean, maybe that's why he doesn't just kill us." Dean goes over to help Sam. "Maybe he needs to keep us alive--psychic connection," suggests Dean. He starts untying Sam's ropes. "Hands," says Sam, "yeah. Come on, we gotta go. He's probably at Rebecca's already." Sam and Dean climb out of a sewer opening on the side of a building. "Come on," urges Sam, "we gotta find a phone, call the police." "Whoa, whoa, whoa, whoa, whoa," says Dean, "you're gonna put an APB out on me." Sam shrugs. "Sorry," he says. "This way," says Dean. They start running down the street.

Rebecca's house - They have broken out the beer; flickering firelight on their faces renders the scene romantic. Shifter-Dean says, "It's funny. I kind of understand him. He's all alone--close to no one. All he wants is for someone to love him. He's like me." His frankness makes Rebecca very uncomfortable. "You know, everybody needs a little human touch now and then," says shifter-Dean, "it's so hard to be different." He reaches out and tucks Rebecca's hair behind her ear. She moves away from him. "You should go," she says. Shifter-Dean presses his face against hers and whispers something in her ear. Infuriated, she rises from the sofa. "You are disgusting!" she yells--"Just get the hell out of here!" "Rebecca, just calm down," he says, standing up. "Calm down?" she cries--"what is wrong with you?" "What's wrong with me?" yells shifter-Dean, suddenly angry--"what's wrong with YOU?" She grabs the phone. "I'm calling the police," she says. Shifter-Dean throws the phone to the floor. She screams and tries to run away, but he trips her and she falls. He straddles her legs and begins trying to tie her hands with the telephone cord. She fights him, still screaming. "Give me your hands!" demands shifter-Dean. She keeps screaming. "Shut up!" orders the shape-shifter.

Rebecca's bedroom - She is tied to a chair, gagged, all cut up. "You're a nice girl, Rebecca," says shifter-Dean, "I mean, I liked you. Believe me, that makes this harder.
He takes out his curvy knife, looking it over. "But I gotta do what I gotta do." He moves towards her. Suddenly, they hear a crash from another room. Rebecca screams around the gag, but the shape-shifter covers her mouth, shushes her and holds the knife to her throat.

Warren house, hallway - The SWAT team searches the house. While their backs are turned, the shape-shifter crosses the hall and enters another bedroom. Shifter-Dean enters and closes the door, looking around frantically. He moves to a set of doors leading out to a balcony. Just as he opens the doors, the SWAT team enters. "Freeze! Drop the knife! Drop the knife! Drop the knife!" orders a SWAT officer. The shape-shifter tosses the knife at the police officer; the rest of the team begins shooting. The shape-shifter kicks one of the men, then goes outside and jumps off the balcony, onto the grass below. The SWAT officer yells, "Come on! Come on! Go! Go!" The shape-shifter runs off, while the team continues to shoot and miss him several times. (Or they didn't have the necessary silver bullets.)

Sewers - A rat foraging for food precedes the appearance of the shape-shifter, who stops walking, looking weak. He takes off his jacket and shirt, revealing Dean's beautiful body, then falls to his knees. He groans and screams in pain as he continues to shed his skin, nails, teeth and everything else that looked like Dean, leaving behind a hideous creature that is 180 degrees removed from Dean's handsomeness.

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Street - Sam and Dean stand in front of a store window, watching a news report being shown on a display of televisions. The reporter says, "An anonymous tip led police to a home in the Central West End, where a SWAT team discovered a local woman bound and gagged. Her attacker, a white male, approximately twenty-four to thirty years of age, was discovered hiding in her home." A sketch of Dean appears on the screen. "Man! That's not even a good picture," he complains. Sam looks around cautiously. ... read more Street - Sam and Dean stand in front of a store window, watching a news report being shown on a display of televisions. The reporter says, "An anonymous tip led police to a home in the Central West End, where a SWAT team discovered a local woman bound and gagged. Her attacker, a white male, approximately twenty-four to thirty years of age, was discovered hiding in her home." A sketch of Dean appears on the screen. "Man! That's not even a good picture," he complains. Sam looks around cautiously. "It's good enough," he says, walking away. "Man!" says Dean, and follows Sam. The brothers walk hurriedly; Dean steps into a puddle. "They said attempted murder," says Sam, "at least we know--" "I didn't kill her," says Dean. "We'll check with Rebecca in the morning, see if she's all right," says Sam. "All right," agrees Dean, "but first I wanna find that handsome devil and kick the holy crap out of him." They stop walking. "We have no weapons," Sam reminds him, "no silver bullets." "Sam, the guy's walkin' around with my face, okay, it's a little personal, I wanna find him," insists Dean. "Okay. Where do we look?" asks Sam. "Well, we could start with the sewers," suggests Dean. "We have no weapons," says Sam, "he stole our guns, we need more." They pause to think. "The car?" asks Sam. "I'm bettin' he drove over to Rebecca's," says Dean. "The news said he fled on foot; I bet it's still parked there," says Sam. "The thought of him drivin' my car," says Dean, pissed-off. "All right, come on," says Sam, as they start walking. He urges his brother to let it go, but Dean insists, "It's killin' me."

Warren residence - A dog barks. Dean and Sam run down by the side the house and around the corner. The Impala is parked just up the road. "Oh, there she is!" says Dean, relieved, "finally, something went right tonight." A police car appears and parks beside the Impala. "Oh, crap!" mutters Dean. They turn around, intent on escape, but another police car shows up, blocking them. "This way, this way," says Dean, moving toward a fence. "You go, I'll hold 'em off," says Sam. "What are you talking about? They'll catch you," protests Dean. "Look, they can't hold me," Sam reminds him, "just go, keep out of sight. Meet me at Rebecca's." As Dean is climbing over the fence, Sam adds, "Stay out of the sewers alone." Dean doesn't reply and hops over the fence. "I mean it! "reiterates Sam. Dean, from the other side of the fence, says, "Yeah, yeah!" A SWAT officer orders Sam, "Don't move! Keep your hands where I can see 'em." Sam raises his hands in the air.

Impala, daytime - Dean pulls weapons from the trunk. "I'm sorry, Sam," he says, "but you know me--I just can't wait." He closes the trunk and walks away. Next time we see him, he's looking around the sewer. He passes what looks like a chunk of skin on the ground, then finds a chamber filled with candles and chains--the shape-shifter's lair. Piles of skin and blood litter the floor. He spots a covered body in another area of the chamber, uncovers it and reveals Rebecca, bloody, her hair a mess, but alive. Her hands and feet are bound together with rope.

Warren residence - Sam sits, having a beer, talking with shifter-Rebecca. "So, say this shape-shifter is real," she says, "by the way, you know you're crazy? But, um, say it is real. How do you stop it?" She replaces Sam's empty beer bottle with a new one. Sam thanks her, sighs, and replies, "Silver bullet to the heart." She chuckles and says, "You are crazy." She hits him over the head with the empty bottle. He falls over, unconscious. Shifter-Rebecca's eyes momentarily glow silver.

Shape-shifter's lair - Dean frees Rebecca. "What happened?" he asks. Crying, she says, "I was walking home, and everything just went white. Someone hit me over the head, and I wound up here just in time to see that thing turn into me. I don't know, how is that even possible?" "Okay, okay. It's okay." He finishes untying her. "Come on, can you walk?"
he asks. She nods. "Okay, we've gotta hurry," he says, "Sam went to see you."

Warren residence - The shape-shifter has changed back into Dean. Sam is seated in a chair in the kitchen; shifter-Dean finishes tying up his hands and feet, then starts walking around the kitchen, opening and closing drawers. "What are you gonna do to me?" Sam asks. "Oh, I'm not gonna do anything," says shifter-Dean, "Dean will, though." "They'll never catch him," predicts Sam. "Oh, doesn't matter. Murder in the first of his own brother? He'll be hunted the rest of his life," chortles shifter-Dean. He picks up a sharp knife and examines it.

Warren rec room - Sam, hands and feet tied, lies underneath the pool table. "I must say, I will be sorry to lose this skin," says shifter-Dean, "your brother's got a lot of good qualities--you should appreciate him more than you do. He pours a drink for himself. "Cheers." He downs the drink, then picks up the knife from the kitchen and jabs it into the edge of the pool table. Sam raises his legs and kicks the shape-shifter, who falls. Sam quickly sits up and saws the rope binding his hands up and down on the blade of the knife stuck in the pool table. The ropes break apart. The shape-shifter stands. Sam grabs the knife and swings at him; the shifter snags Sam's arm in mid-swing and twists it. Sam falls. "Oh, you son of a bitch," gasps shifter-Dean, coming at Sam. They start to battle in earnest, trading brutal punches, kicks and head-butts. "Not bad, little brother," praises shifter-Dean. "You're not him," gasps Sam. The shifter sends Sam into a bookcase, which falls apart, sending books raining down on top of Sam, giving the creature time to grab hold of a pool stick. "Even when we were kids, I always kicked your ass," says the shifter gleefully. He swings at Sam with the pool cue, but misses and hits a light fixtures above the table, rendering the rest of the fight in mostly darkness backed by sunlight pouring from the windows. They continue to fight, shifter-Dean sending Sam backwards onto a glass coffee table. Sam is pinned to the floor as the shifter first punches him across the face, then chokes him. Sam tries to push away the deadly hands throttling the life out of him, to no avail. A voice calls, "Hey!" Shifter-Dean turns to see the REAL Dean pointing a gun at him and immediately slides off Sam, leaving the latter alive, but gasping for air. Dean fires two silver bullets into the chest of the shape-shifter, who falls backward violently, knocking a photograph in a glass frame from the wall. Sam, face bloody, lifts his head and looks at what appears to be Dean, dead, his amulet around his neck, two bleeding bullet holes in his chest. Rebecca runs in and over to Sam, calling his name, kneeling with his head in her lap. Dean, eying Sam and Rebecca, who is cupping his brother's face in her hand, snaps his amulet off the shifter's neck, an expression in his eyes that says, "This is mine, you SOB, not yours, and I'm taking it back!" read less

Warren residence, daytime - As a dog barks in the background, Dean looks over a map on the hood of the Impala. Sam and Rebecca come outside. "So, this is what you do?" she asks, "you and your brother--you hunt down these kinds of things?" "Yeah, pretty much," says Sam. "I can't believe it," says Rebecca, "I mean, I saw it with my own eyes. And, I mean, does everybody at school--nobody knows that you do this?" "No," replies Sam. "Did Jessica know?" she asks. Sam looks regretful. "No, she didn't,"... read more Warren residence, daytime - As a dog barks in the background, Dean looks over a map on the hood of the Impala. Sam and Rebecca come outside. "So, this is what you do?" she asks, "you and your brother--you hunt down these kinds of things?" "Yeah, pretty much," says Sam. "I can't believe it," says Rebecca, "I mean, I saw it with my own eyes. And, I mean, does everybody at school--nobody knows that you do this?" "No," replies Sam. "Did Jessica know?" she asks. Sam looks regretful. "No, she didn't," he replies. "Must be lonely," says Rebecca. "Oh, no," says Sam, looking at Dean, "no, it's not so bad. Anyway, what can I do? It's my family." She laughs and says, "Well, you know, Zack and me, and everybody at school--we really miss you." She hugs him.
"Yeah, me too," says Sam sadly, still in mid-hug. They separate. "Well," she asks, "will you call sometime?" "It might not be for a little while," he says. Rebecca nods and waves goodbye to Dean. He waves back, and she returns to the house, which is going to need quite a cleanup. Sam walks to the car. "So, what about your friend, Zack?" asks Dean. "Cops are blamin' this Dean Winchester guy for Emily's murder," says Sam, "they found the murder weapon in the guy's lair, Zack's clothes stained with her blood. Now they're thinking maybe the surveillance tape was tampered with. Yeah, Becca says Zack will be released soon." Sam smiles. Dean rolls his eyes and slides in the car. "All Right Now" begins to play on the soundtrack as the brothers ride the road in the Impala. "Sorry, man," says Dean. "About what?" asks Sam. "I really wish things could be different, you know? I wish you could just be. . .Joe College," says Dean. "No, that's okay. You know, the truth is, even at Stanford, deep down, I never really fit in," admits Sam. "Well, that's 'cause you're a freak," says Dean. "Yeah, thanks," says Sam. "Well, I'm a freak, too," says Dean, "I'm right there with ya, all the way." Sam laughs. "Yeah, I know you are," he agrees. "You know, I gotta say--I'm sorry I'm gonna miss it." "Miss what?" asks Sam. "How many chances am I gonna have to see my own funeral?" wonders Dean. The brothers smile at each other, driving to the music as the screen fades to black and "All Right Now" blares on the soundtrack. read less

Ending Credits