when his son be kidnap by government agent who want to exploit his telekinetic power and kurt douglas be determine to get him back . stay one step ahead of the organization he go after amy irving . she a young woman who be deal with her own psychic power . together they attempt to save andrew stevens who be be drive insane by the inability to control his gift . john cassavetes be convincingly chill in a villainous role . there be plenty of shock scene . a woman be turn into a human sprinkler in one . the end where amy irving take her revenge be one of the most gruesome scene ever . director brian depalma live up to his reputation for create inventive scene . be prepared and blood will flow .