For Naval officers duty comes first. Navy Lieutenant Favrel is one of these men. He has promised his wife Simone to stay with her all the time but a last mission aboard a training cruiser makes him realize that his life is tied to the sea. For his part, Navy cadet Pierre Hardouin understands that sailing is his vocation. The prospect of staying home alone while Pierre is on mission, frightens Madeleine, the girl of his heart. But the young woman ends up accepting the ordeal and marrying Pierre.

In the lead up to WWII, several escapist French films were made promoting health and sport among youth.In this one, we see the friendship of young males on a Marne river rowing team threatened by the presence of a typical femme fatale.

Two campers meet two young girls in the Landes. Love will bloom, with its heartbreaks.

Fearing a gangster's vengeance,his moll sails away to South Africa ,where many emigrants intend to work in the mines there.

The exploits of Chief Police Inspector Chabrier, first before the invasion of France in May 1940 as he fights against spies preparing the coming the Germans, particularly Emmy de Welder, the alleged manager of the Rouen hospital. Later, Chabrier and his men go underground and resist the occupiers whatever the price to pay. When the Liberation comes Chabrier resumes his activities at the French National Police.

Pierre lives with his wife Marie in a small village in the Landes. He dreams of leaving. On the occasion of the passage of a caravan of gypsies, he meets Solita and plans to continue the journey with her. However, he will give up this project out of love for his wife.

The agency À Votre Service has the reputation of meeting all needs. This is what Stanislas observes when his uncle replaces his mistress with a fiancée provided by the agency.

The novelist Suzanne Delmont creates a character, "The Uncatcable Frédéric", a sort of Arsène Lupin. A mysterious stranger launches a press campaign accusing him of having a harmful influence on young people...

Jérôme owns a boat with his crook of an uncle, La Rose de la Mer. They sail with a band of crooks hired by the uncle to scuttle the ship and collect the insurance premium.

The Marquis de Montauran was appointed to command the Chouans whose first two revolts were crushed. An aristocrat, Marie-Nathalie de Verneuil, is sent by Joseph Fouché to seduce and capture him.