Madeleine Vernier, a renowned actress, is soon to perform a play written by her second husband, Gilbert Renaud. Her previous husband, Raymond, shows up and reveals to the young woman that the play is a transposition of a crime that Gilbert has always managed to hide. Disturbed and frightened, Madeleine regains her affection for Raymond, who is delighted, but mysteriously dies. The actress and author would have everything to fear from the police if Maguy, the couple's false friend, were the culprit. The curtain can finally be lifted.

Pierre Tercelin who used to be a prosperous industrialist is now ruined and embittered, having become a mere lock keeper. A widower, he lives with his daughter Evelyne, a music-hall dancer. Claiming he is being persecuted by his cousin Edgar he gets in touch again with another cousin of his he hates, Bernard, a millionaire gun runner,who is also a victim of Edgar. It must be said that both Pierre and Bernard once caused Edgar to go bankrupt... Pierre offers Bernard to join efforts against Edgar. Soon after, Bernard dies of poison, which is only the first of a series of acts of violence. Tiercelin is shot at while going back home, Bernard's son is gunned down while his sister Luciane disappears. Chief-inspector Malouvier - who oddly enough looks very much like the suspect- investigates....

Mimile is a street singer and also a very inventive free rider. With his friend Georges, a musician in the same orchestra, they meet Arlette Sicleton and Lulu. Arlette is the sister of Sicleton, a sports event organizer and Lulu is the daughter of Ledoux, the supervisor in charge of tracking down free riders. After many misunderstandings, love will triumph.

Tongues start to wag after a famous Parisian music hall dancer is rushed to hospital after being found poisoned by arsenic at the Concert Mayol.

A little Breton tries to save her boss's daughter an unhappy marriage.

The young King Boris of Neustria, who has followed his family in their exile in London, falls in love with the daughter of a wealthy American businessman. The latter, however, will only approve the union if Boris gives up royalty for the business world.

Sylvette welcomes three soldiers on the eve of Saint-Jean 1945. Each claims that she promised him five years earlier to belong to him on Saint-Jean... Which one is the right one? Finally, it is Francis who manages to prove his good faith. Sylvette will be, we couldn't be happier to get rid of a flighty husband who has gone to look for the damsel in the four corners of the world...

A young customs officer is given an important mission: to investigate drug trafficking on the Belgian border. Incognito, he goes to the place where he easily spots the gangsters.

Ginette, daughter of a foreman of an automobile factory, and Claude, son of the director of this company, love each other, but the father of the young man refuses the marriage.

Robert Bernier murdered his brother with the complicity of a worker. The only witness to the tragedy, Veronique was injured while rescuing her boss and remains blind. Later, cured by an operation, she denounces the criminal whose voice she recognized and who had taken over the factory.

The adventures of a Parisian boy and his little friends, who have taken on the role of detectives to track down the shady activities of Max, a disreputable individual who is courting Sylvie, the Parisian boy's young aunt... The discovery of a priceless necklace returned to its owner, will bring an upheaval in the destiny of little Jacky. "Born of an unknown father", at the age of twelve he finds an ignored home, a happier life in which his little friends will have their share, as well as Sylvie, who has got rid of Marx and will soon find a fiancé of higher rank.

Miquette is a young woman whose beauty and vivacity increase the clientele of her mother's tobacco shop. A Barrymoresque actor believes that Miquette has star potential, but he hasn't sufficient capital to finance her theatrical debut. He manages to get the money by practicing a bit of genteel blackmail on an aging marquis who has romantic designs on the heroine.