Maureen O'Donnell is a psychiatric patient stuck in an affair with Douglas a shady therapist. She’s about to end it with him when she wakes up one morning to find him in her living room with his throat slit. Viewed by the police as both a suspect and a witness even Maureen’s family suspects her. Panic-stricken she retraces Douglas' last days finding a trail of rape and deception at a psychiatric hospital where she’d been an inmate. The patients won't talk and staff are afraid. Then a second brutalised corpse is discovered and Maureen realises that her life is in danger.