Lucien Bonnet, Jean Vigneron's manservant, blackmails his boss, who is having an affair with Inès de Montalban, married to Ricardo. Vigneron pays the sum but Lucien is killed by an accomplice, Baruch. Everything seems to accuse Jean who, for fear of compromising Inès, prefers to keep mum. Fortunately, his innocence will be proved thanks to a surprise witness. The two lovers flee to Congo while the husband soon forgets them, finding comfort in debauchery.

The tumultuous loves of a diver and a pretty bitch. Mario loves Perrucha, she only loves money. When, by dint of diving, the boy's health deteriorates, the girl goes to find an important industrialist. Such a story can only end badly and Mario strangles Perrucha.

A railway worker, Leguignon, and his wife are forced to move into a house located in a shaggy part of town. What Leguignon doesn't know is that a group of children have discovered a treasure and keeps it stored in the house. Trouble ensues when he discovers the cache and tries to claim it as his own.

Louis Bourdin est employé à la RATP le jour, romancier la nuit, avec une forte prédilection pour le genre policier. Un jour, il rédige un polar situé dans l'univers de la RATP, boudé par les éditeurs. Le livre parvient alors aux yeux d'une bande de criminels...