Karen White (Dee Wallace-Stone) is a television news anchor who is being stalked by a serial murderer named Eddie Quist. In cooperation with the police, she takes part in a scheme to capture Eddie by agreeing to meet him in a sleazy porno theater. Eddie forces Karen to watch a video of a young woman being raped, and when Karen turns around to see Eddie she screams. The police enter and shoot Eddie, and although Karen is safe, she suffers amnesia. Her therapist, Dr. George Waggner (Patrick Macnee), decides to send her and her husband, Bill Neill (Christopher Stone), to "The colony", a secluded resort in the countryside where he sends patients for treatment.