Totally liberated and vaguely amoral, Lisa describes to Bruno, with impudence and in detail, the sexual pleasures she shared with her lovers. He, ulcerated, rejects her advances and leaves for his work. There, unbeknownst to Lisa, he takes his revenge by seducing a pretty intern whom he hastens to please, front and back. Later, under a false pretext, he goes to a “hot party” where all sexual fantasies are permitted provided they are anonymous: all participants are masked. This is where his path crosses that of a mysterious woman in red carrying a black wolf of a nocturnal bird...