Your Vice Is a Locked Room and Only I Have the Key

Original title: Il tuo vizio è una stanza chiusa e solo io ne ho la chiave

“Unlock the Secrets of Your Darkest Desires!”

Directed by Sergio Martino

Oliviero is a drunk, burned-out writer who amuses himself by hosting orgies at his grand country manor and humiliating his wife Irina. When a number of women are murdered in grisly fashion, Oliviero becomes a prime suspect.