Reportedly based on a true story, this terrifying tale stars Barbara Hershey as a divorced mother who experiences brutal sexual and physical assaults by an unseen entity. After seeking help from a psychiatrist and parapsychologists, she tries to convince them the demonic force is not a figment of her imagination. Ron Silver, Margaret Blye, George Coe also star in Sidney J. Furie's adaptation of Frank De Felitta's novel. 125 min. Widescreen; Soundtrack: English; DVD-ROM content; photo gallery; poster gallery; theatrical trailer.