A smuggler has to skip town at avoid the pursuing police. The he returns, he falls for the daughter of his disapproving boss - and soon he has murder in mind

A famous tenor has a car accident and asks the owner of a pharmacy for hospitality. The pharmacist’s wife is fascinated by the singer and follows him to Rome. Hovewer, she is sent back home.

Claudio is married to Cesarina, a frivolous and unfaithful woman. After the death of their only son their marriage is cold. While his wife lives her free life, Claudio is dedicated to the development of sophisticated weapons, elaborating the project of a new cannon; but smitten by the virtuous Jew Rebecca he can not surrender to his feelings because his religion prevents him from getting a divorce.