Santoro family lives in an elegant country villa the whose ancestor is the old Theodora. One day her son has an accident and is paralyzed; Eleanor, his wife throws herself into the arms of a lover, but the mother-in-law does everything possible to replace it with another of her choice.

David and his wife Gilda transform their beautiful villa in a brothel, which are home to several characters. Odile, the daughter of a woman tortured by mercenaries, meets in the villa one of the torturers and want to relive over his own body the suffering endured by the mother. An ambassador who was abandoned by his companion, imposes its new partner to take his place. An eighteen year old, very open-minded, staged an orgy.

A woman dressed in black is murdering young women. The police question lawyer Anselmi for whom one of the girls worked as a secretary, and it turns out that all the victims were friends of lawyer's wife Leonora.