"The Roommate" is a 2021 thriller film directed by D. J. Caruso. The story follows Sara, a college student who moves in with a new roommate, Rebecca. As their friendship develops, Sara discovers that Rebecca has a dark and dangerous side. The film explores themes of trust and betrayal, highlighting the complexities of relationships. As Sara uncovers Rebecca's secrets, she must confront the terrifying reality of living with someone who is not what they seem. The tension builds as Sara fights to protect herself from Rebecca's increasingly unstable behavior.