Sandro is a Roman adrift in Venice during the Carnival. After sixteen years of marriage, Sandro can no longer reconcile his spontaneous and lively character with that of his wife Laura, a cultured and composed Venetian woman. Yet another argument prompts him to leave her and seek refuge at the home of a painter friend. Among his many paintings, he notices one depicting a naked woman who bears an incredible resemblance to his wife. Are they two women or one, and in the masquerade of the Carnival, what is real?

Nino, a regular working-class guy, finds that a hitman has been hired to kill him. He discovers that a wealthy woman has been kidnapped and that everyone who was involved in it is being killed off. However, Nino had nothing to do with the kidnapping and has to find out who has sent the killers and stop them before it's too late.

Refusing an arranged marriage, young aristocrat Carmela is sent to a convent. Her arrival intensifies the power struggle between the debauched nun Elizabeth and the stern Mother Superior, as both are smitten by Carmela's beauty.