During WWII, handsome young Italian sub commander and his crew torpedo Allied freighters and transport ships for the Axis then rescue the occasional survivor and treat them humanely while seeking a safe place to put them ashore.

A musical comedy divided into five segments: Mariantonia, Cuttica, Il Fine Dicitore, Fregoli and Il Censore.

Alvaro hunts for a treasure, of which he owns only half the map.

A jockey buys his favorite horse.