Disfigured in a car crash, Christine Génessier (Edith Scob) is forced to live wearing a mask, but her father Doctor Génessier (Pierre Brasseur) believes that he has the surgical skills necessary to replace her face, all he needs is a young woman whose face he can successfully graft onto his daughter. But as these surgical procedures fail and more women vanish from the streets, the police start investigating the disappearances…