Someone Behind the Door (1971)
Someone Behind the Door (1971) Dr. Laurence Jeffries, a neurosurgeon, intent on his research, neglects his wife Frances. The frustrated woman accordingly takes a lover, Paul Damien, a French journalist. When he realizes what is going on, Laurence has only one thing in mind, vengeance. A diabolical idea comes to him: why not use one of his patients,