Romolo and Salvatore are two young men that are neighbors and friends. They live with their parents in Piazza Navona in Rome. They are poor but handsome, and both fall in love with the beautiful Giovanna.
In an interwar France struggling with profound social and political change, 18-year-old Violette Noziere rebels against the constraints of her claustrophobic, working-class (and possibly incestuous) family, with troubling consequences.
The film tells the story of the blond "singing sailor" Hannes Kröger who works in a St. Pauli club on the Große Freiheit 7, and falls in love with a girl. But she prefers his rival Willem and Hannes returns to the sea.