The singer Saltore is accused of the murder of his wife's lover, and is sentenced to ten years' hard labour. His daughter proves his innocence when she discovers the culprit to be his wife, who wanted to end an embarrassing love affair.
Fabienne believes herself to be cheated on by her husband Claude and divorces her. He leaves for America and does not return until eight years later. He then meets his daughter.
Two friends, Tricoche and Cacolet, are partners in a detective agency. Chance has it that Cacolet is hired by Van der Pouf, a rich banker who wants him to watch over his wife Bernardine while the latter, on her part, seeks the services of Thicoche.
Two friends, mobilized together and idle, send their photos to two young workers. The photos are inverted, resulting in a real sentimental imbroglio which finds its best conclusion in the context of the Théâtre aux Armées.
A tramp learns that even honesty won't help him overcome his struggles to prosper. After a man tells him that he needs to smile in order to succeed, he turns his attitude around and he becomes successful.
Octave Laburette only makes blunders in his job with a backroom worker. He buys ten thousand shares of the Compagnie Générale des Cacahuètes, when the client wanted to sell them. His boss registers them on his own account: Octave then owes the agency sixty thousand francs and his wife informs...
Anne-Marie meets three men bearing the first name of Ludovic. Each of them has a very different character than the other two. The young woman will find great love with one of them.
"Tu seras duchesse!" ("You'll Be a Duchess!") With these words, self-made industrialist Poisson orders his daughter Lucie to marry a wealthy Duke. The duke's father objects to the union, whereupon Poisson arranges another marriage for his daughter, this time to an impoverished and sickly young...
Marcello, a shy tenor, is afraid of singing in public. Two friends of his think of having an elegant youth on the stage pretending to be singing while Marcello dubs him behind the scenes. The scam is successful but after a while Marcello summons the courage to go on stage himself.
An outgoing deputy, put on ballot, experiences many political and marital difficulties before regaining his seat. Ultimately and without suspecting it, he owes his victory obtained by a withdrawal at the last minute, to his young wife who did not hesitate to seduce the opponent.
Maigret investigates in Concarneau where the passage of a yellow dog accompanies a series of murders, sowing terror in the population. The police seem helpless. It must be said that it has no significant evidence.
A record seller, and not very serious, Henry spends his nights in a cabaret where there is a Slavic prince in exile. His resemblance to the Prince of Palestria makes him designated to replace the young man who prefers to stay in Paris. And Henry takes with him the one he loves.
Alexis, a former war pilot, attempted the Paris-Tokyo raid and failed. He became a taxi driver. The film actress, Margot Fontane, forgets her bag in the taxi and Alexis thus meets her. He goes to see the great actress shoot, he is hired for a small role as an aviator, and to simulate a take-off, he...