In Rome, a drug-addicted courtesan falls in love with a man who insists that she gives up her lavish, orgiastic lifestyle for fidelity, but tragedy soon ensures.

A child of the sixties sexual revolution, beautiful, sensuous Marguerite is addicted to sex and money. She is kept by a wealthy man, has a string of young lovers and hosts wild orgies 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.