A bus conductor gets dressed for work in the morning, goes to the toilet, where he is killed by a bomb. The Commissioner and his fat, bumbling assistant, Inspector Charbonnier are put on the case. After interviewing friends, wives, colleagues, and spying on strangers who might be connected, our heroes trace the assassin down to a mental institution where, it seems, the murder victim has been an inmate for the last three years...

Two women work as entertainers and prostitutes to raise enough money for their dream home.

Clumsy Monsieur Hulot finds himself perplexed by the intimidating complexity of a gadget-filled Paris. He attempts to meet with a business contact but soon becomes lost. His roundabout journey parallels that of an American tourist, and as they weave through the inventive urban environment, they intermittently meet, developing an interest in one another. They eventually get together at a chaotic restaurant, along with several other quirky characters.

Claudius finds a foal and takes it home to his boss. The men who stole the animal are looking for him. Claudius names him Champignol and trains him for racing. When he grows up, Champignol wins a regional race. But the thieves return, and Claudius is forced to do odd jobs to keep his horse.

Émile Durand, an insecticide manufacturer, is appalled to learn that his son Gérard has fallen in love with Suzy, the daughter of a travelling theatre company. Realising his father will never favour the union, Gérard joins the company on their next tour. In an attempt to heal the rift, Durand’s wife goes after Gérard and ends up performing in their next play…

During the Second World War, Georges Masse undergoes a dangerous mission by taking secret documents from Tangiers to London.