Police officer Frank Spivey saves a disfigured young woman named Jenifer from being slaughtered by a crazy old man. He takes her into his home because she has nowhere else to go, but starts to become obsessed with her. Soon, it becomes clear that there are problems with Jenifer that turn Frank's life upside-down. He realizes that there is only one thing that will keep Jenifer from hurting anyone else and let him return to a normal life.