Wealthy teenager Guendalina is a child of divorce. Oberdan, likewise a teenager, is a boy from a blue-collar family. Escaping from the tribulations of her home life, Guendalina creates a dream world of her own, casting Oberdan as her personal Prince Charming. Despite parental objections, girl and boy fall in love. Interestingly enough, the relationship between Guendalina and Oberdan remains pure and chaste throughout their film, which is more than can be said for their parents. their respective parents behave with marked laciviousness.
Peppino Bardellotti, a widower, lives in Milan with his four daughters and ex sister-in-law Matilde, who urges girls to settle down by marrying a wealthy man.
The castle of the counts of Ventimiglia is conquered by the spanish Van Gould, who kills the count and sends his three sons in the Antilles. The ship is attacked by pirates and the three brothers are liberated. They decide to join the pirates to have revenge on Van Gould, who has also moved to the Antilles on the command of the viceroy.
Capodistria, 1915. Captain Nazario Sauro, an officer in the Autrian Navy, is one of those patriots who militate for Italy to enter World War I. When he is about to be arrested by the Austrian authorities he chooses to desert. Once in Venice he enlists in the Italian Navy and becomes an officer in a submarine where his perfect knowledge of the coast of Istria proves particularly helpful. But when his submarine runs aground near the island of Munje, he is captured by the Austrians, sentenced to death for high treason and hanged in 1916.
