College student Sara finds that her new roommate Rebecca has an obsession with her, which quickly turns violent.

Rebecca Evans: Listen to me... all I ever wanted was to be your friend...
Sara Matthews: Rebecca, I am your friend...
Rebecca Evans: No you're not!
Sara Matthews: Yes I am...
Rebecca Evans: No. You're not. We're here because you betrayed me.
Sara Matthews: Rebecca, I'm your friend...
Rebecca Evans: STOP! STOP SAYING THINGS YOU DON'T MEAN! I protected you! I protected you against that WHORE Tracy and that NASTY little kitten! That scum bag of a professor! Even that loser ex-boyfriend of yours!
Sara Matthews: What did you do to him?
Rebecca Evans: I got rid of them all for YOU!
Alison Evans: Rebecca is doing really well?
Sara Matthews: She's doin' good.
Alison Evans: She's taking her medication?
Sara Matthews: Medication...?
[Rebecca walks down stairs]
Rebecca Evans: You're all mine.
Rebecca Evans: [as Rebecca drives to her family's mansion]
Sara Matthews: This is your home?
Rebecca Evans: It was never a home when I lived here.
Rebecca Evans: Maria!
Maria: ...Hi.
Rebecca Evans: I wanted to introduce you to my roommate, Sara.
Sara Matthews: Hey.
Maria: Hi...
[Awkward Silence]
Maria: [Maria gets up]
Rebecca Evans: Rebecca.
Rebecca Evans: [Rebecca turns around]
Maria: We were never friends.
Rebecca Evans: ...