In a Paris in full economic slump, Jojo and Eugène have one after the other loving failures. And if all this was connected ? Our two infiltrated agents thus begin a investigation on young girls. We discover that the young girls are not always young and sometimes not even a girl.

Women have decided to exercise the power which they have between their thighs and threaten the humanity to progressive extinction. Lise and Clara, two of them, lovers and cheerful, meet the attractive Alexandre.