When Sara, a young design student from Iowa, arrives for college in Los Angeles, she is eager to fit in and get to know the big city. Her wealthy roommate, Rebecca, is more than eager to take Sara under her wing and show her the ropes. The two become close, but when Sara begins to branch out and make more friends on campus, Rebecca becomes resentful. Alarmed, Sara moves in with her new boyfriend, causing Rebecca's behavior to take a violent turn.
Leighton Meester
as Rebecca Evans
Minka Kelly
as Sara Matthews
Cam Gigandet
as Stephen
Aly Michalka
as Tracy
Danneel Ackles
as Irene
Frances Fisher
as Rebecca's Mom
Tomas Arana
as Rebecca's Dad
Billy Zane
as Professor Roberts
Nina Dobrev
as Maria
Matt Lanter
as Jason
Kat Graham
as Kim
Johannes Raassina
as Band Member
