A child of the sixties revolution, beautiful Marguerite (Daniel Gaubert) is addicted to libations and money. She is kept by a wealthy man, has a string of young lovers and hosts wild parties in her luxurious villa. When she falls in love with the handsome bachelor Armand (Nino Castelnuova), he insists on absolute fidelity. Known by her reputation, Armand's controlling father soon intervenes, triggering a tragic turn of events.