Serge Menessier has been paid to shoot a reportage on his ex-wife's depression. Now remarried, he has accepted the job to pay his debts and maybe because he is still in love with her, a famous actress whose career he contributed to launch.

Marc Kelber, un marchand d’art expérimenté, se fait berner par Jacques Lacroix, un escroc qui lui vend un faux Gauguin. Lorsqu’il découvre la supercherie, il part à sa recherche. Lacroix lui propose alors un marché : s’allier avec un peintre faussaire.

Francois Roques, a power-and-money-mad editor of a Paris newspaper invites four women to a housewarming at his penthouse apartment. He plans on one of them to meet death by means of a loose railing on the balcony.

A young journalist uncovers an assassination disguised as a suicide, linked to an American multinational seeking to dominate French industries. Determined to expose the truth, he races against time to gather evidence before more lives—and his own—are at stake.

The wealthy industrialist Alain de Narbois has disappeared. Michel Dunant, an idle man who passed by and who looks exactly like the deceased, is taken for Alain by a young woman and her servant. He jumps at the chance but quickly realizes that, in this hushed little world, masters and servants play comedy and know very well that he is only a double of Alain. In fact, the industrialist was assassinated.

Danielle Darrieux stars in this French thriller as a singer having an affair with her accompanist. When her husband dies in an automobile accident, the two lovers suspect each other of having murdered him. Soon after, they receive 45 rpm records with the dead man’s voice, threatening to come back.

Two scriptwriters argue about the fate of Henrietta, a charming and gamine shopgirl. One favors a comical path for their heroine, who is overcome with sentimental love for a young photographer on Bastille Day. The other has a more thrilling and dastardly fate in mind for her. Among the film's irresistible conceits is Hildegarde Neff as an oversexed circus bareback rider.

Police Commissioner Jules Maigret returns to the small village where he spent his childhood at the request of the Countess of Saint-Fiacre, who has received a disturbing anonymous letter.

Claire's handbag is stolen. It contained a letter written ten years previously by the man who is now the French President. In the letter, he urges his pregnant mistress to have an abortion. Claire immediately alerts the President's men. From that moment, the machinery of state swings into action.