When Jenny Quester (Catherine Deneuve) is harassed over the phone by a mysterious caller, she enlists the help of her policeman brother Frank (Andre Dussolier) in this suspenseful crime drama. She fears the calls may be from a murderer who recently was discharged from an insane asylum. Later Jenny finds evidence that someone has been in her apartment. Last-minute plot twists provide anxiety and thrills in this directorial debut for Elisabeth Rappeneau.