A young girl from the country arrives in Paris and soon meets a designer who lives on the fringes of established morality. He seduces her and leads her to some very peculiar places where her youth and freshness make her a prey of choice. Rather than being victim, she decides to let herself experiences these forbidden pleasures that have always been unknown to her. A film of unusual perversity applauded by an enthusiast audience on its release on 18 May 1977 in the Alpha-Francee movie theaters.

Jacques seduces his secretaries one after another while his wife Chantal lets herself get carried away by her friends in total liberation. They bump into each other at a very steamy party, and a new closeness reunites them from then on, they organize their own 'entertainment'.

At the heart of her castle, the Marquise Katarina Von Porno inflicts, as a exemplary tyrant, the worst sexual tortures to her guests. Difficult to stand up to her, the Marquise is also an immortal witch one hundred years hidden behind the facade of a young woman in her early thirties and she has fearsome magical powers the snap of a finger may reveal a bed or undress her completely.

The mayor of some provincial village calls the detective agency which employs Dany and Martine because a local woman (Therese) is spreading gossip about how several local establishment figures of his party have scandalously taken advantage of her. Dany and Martine come to investigate and hear first Therese's story about how Luc, Paul and Jacques coerced her into indecent acts, such as pharmacist Luc talking her into giving him a blow-job as a means to relieve her migraine. Dany and Martine soon conjecture that this is all wishful thinking and that Therese merely wants to get hitched and get laid. So they validate the hypothesis by trying out the men for themselves. In the end, Therese is happy too, because our heroines arrange a hot date with Jacques - with a predictable outcome.

A young wife complains that her husband won't make love to her anymore, unaware that the reason for that is that he's spending most of his time having affairs with other women.