In this deadly game of cat and mouse, Roland Wolf is writing a book on the life of game show host Christian Legagneur--or is he?

A man remembers all the incredible stories that took place in his hotel.

A gangster, thief of atomic formulas, has a double in the person of a naive musician. A music hall artist who makes eyes at the musician is deceived by the gangster who also takes advantage of the resemblance to track down a band of thugs who are chasing him. Virtue is ultimately rewarded.

Jacques Mervel, also known as "L'Homme de la Jamaïque" makes use of his talents as a gun runner in Tangiers, Morocco. After triumphing over a rival gang, he decides to quit the job and to start a new life with Vicky, a pretty young nurse. In Paris, a doctor lets him know that he is affected by leprosy. In desperation, Jacques runs away from Vicky to spare her. When she realizes the reason why Jacques has disappeared from her life, she joins him with a view to helping him fight the disease.

A drama teacher works as an extra in the cinema: he has to milk a cow. Left alone with the animal in the studio, he is forced to bring it up to his apartment. The police, the Humane Society and the government get involved.

Félix de Vandenesse's youthful love for the beautiful, inaccessible Madame de Mortsauf, who devotes her life to a half-mad husband and two fragile children. Madame de Mortsauf maintains a friendly, tender relationship. But when she learns of the young man's affair with an Englishwoman, she dies of jealousy and regret.