A pirate tries to lead his followers in vengeance against a corrupt governor.
Two young men from the Navy fall in love with an actress.
The monotonous life of a bourgeois family is disturbed by the announcement of the imminent return from America of Mr. Lohengrin, who had left Italy years earlier, leaving behind the reputation of being an irresistible womanizer. Lohengrin's cousin, worried about the stability of his marriage, convinces some relatives who live in the countryside to welcome the dreaded guest into their home and then, to avoid meeting him, leaves. Meanwhile, in the country house everyone eagerly awaits Lohengrin, and envy and spite are unleashed during the wait. In particular, while the young landlady prepares the house, the woman's husband begins to be tormented by jealousy. But the arrival of the long-awaited guest will be a huge disappointment for everyone: the once seductive man is now just an aged, with glasses and a prominent belly.
When his wife storms out of a dinner planned in honor of his American boss (because their dog is not allowed to be at the table) an engineer pretends that his secretary is the missus.