When Jenny cheated on her husband, he didn't just leave...he split.
From master of terror Brian De Palma comes this stylish psychological thriller that will keep you on the edge of your seat until the final frame.
Carter Nix (Lithgow) is a respected psychologist, loving husband and devoted father who decides to take a year off to help raise his daughter. Carter's wife Jenny is pleased to have her attentive husband home – at first.
When Carter shows obsessive behavior toward their daughter, Jenny becomes concerned, and to complicate matters, Jenny's old flame re-enters her life. But nothing can prepare her for the emergence of Carter's multiple personalities, and a fiendish plot to recreate the infamous experiments of his deranged father.