An anthology film that presents three storylines, all set in the Italian town of Treviso. In the first story, a husband pretends to be impotent as a cover for having an affair. In the second, a bank clerk abandons his wife for his mistress, but the rest of the town's husbands become jealous and unite to conspire against them. In the third, men of the town all seduce a promiscuous teenager, but her father eventually reveals that she is underage, and they face prosecution for statutory rape.

In the continuing saga of the Corleone crime family, a young Vito Corleone grows up in Sicily and in 1910s New York. In the 1950s, Michael Corleone attempts to expand the family business into Las Vegas, Hollywood and Cuba.