High school student Casey Becker receives a flirtatious phone call from an unknown person, asking her, "What's your favorite scary movie?" The situation quickly escalates out of control as the caller turns sadistic and threatens her life. He reveals that her boyfriend Steve is being held hostage. After failing to answer a question correctly about horror films, Steve is murdered. When Casey refuses to cooperate with the caller, she is attacked and murdered by a masked killer, and her body is hung from a tree. The following day, the news media descend on the town and a police investigation begins. Meanwhile, Sidney Prescott struggles with the impending one-year anniversary of her mother's murder by Cotton Weary. While waiting at home for her friend Tatum Riley, Sidney receives a threatening