When his son is kidnapped by government agents who want to exploit his telekinetic powers, Kurt Douglas is determined to get him back. Staying one step ahead of the organization he goes after Amy Irving. She's a young woman who is dealing with her own psychic powers. Together they attempt to save Andrew Stevens who is being driven insane by the inability to control his gift. John Cassavetes is convincingly chilling in a villainous role. There are plenty of shocking scenes. A woman is turned into a human sprinkler in one. The ending where Amy Irving takes her revenge is one of the most gruesome scenes ever. Director Brian Depalma lives up to his reputation for creating inventive scenes. Be prepared, blood will flow.