An Italian prison official's wife is kidnapped, and the kidnappers demand that a notorious prisoner be released in order for the man to get his wife back. He gets the man released - but then kidnaps him himself, in order to ensure that the man's colleagues don't kill his wife. Enraged, the gang sets out to free their compatriot and kill the man who took him.

Four stories about unfaithful wives and jealous husbands.

An aging American millionairess journeys to Rome each year with her chauffeur George to play the card game scopone with destitute Peppino and his wife Antonia.

When Joe Valachi has a price put on his head by Don Vito Genovese, he must take desperate steps to protect himself while in prison. An unsuccessful attempt to slit his throat puts him over the edge to break the sacred code of silence.