The drama of an intellectual married to a rich woman who cheats on him with a gigolo. He doesn't care, finding fulfillment in nightclub bohemian nights, while his wife welcomes her lover at their home. His stepdaughter, seeing what her mother does to her husband, feels sorry for her stepfather and that feeling turns into something more.

A millionaire invites some friends for a weekend on an island, where some say there is a buried treasure. But a storm takes the boat away, and they stay isolated from the rest of the world. In these conditions, everybody starts to show their real nature and character.

An wealthy Italian immigrant from São Paulo, watches closely the suitors of his daughter Fiametta, whose two previous husbands "suffered accidents" because they did not bear good children. She can only get pregnant of someone who, like her, bears the blood of the rare K factor.