Veterinarian Léandre Brassac lives with his wife Marie on a remote estate. One day, he decides to shelter a young woman with no bearings.

A jeweler's clerk accidentally swallows a pearl worth three million. The jeweler accepts his marriage to his daughter if the clerk agrees to have the operation. The adventures follow one another until the day when the clerk admits that he has not swallowed the pearl, but as he has become a famous man, the jeweler accepts him as his son-in-law.

The life of disorderly soldiers in the barracks dealing with daily routines.

A student monitor in a high school in the French provinces has no control over the pupils. He is in love with the caretaker's daughter but his superior, the Dean of Discipline, is also his love rival. Now, the two men are sent on military temporary duty and irony has it that in the Army the Dean is only a private whereas the mere supervisor's rank is ... corporal!

A sailor falls in love with an innkeeper on a lost island.

A poor wretch, who has just been hired as a music-hall artist, in spite of himself becomes the tenant of a particular Parisian building.

In a palace in Nice, a modest valet is confused with his master, a viscount chased by a man-eater.

Eusèbe Bonbonneau, a solicitor's clerk, learns one day that a candidate bearing his name runs for election as a member of parliament. In fact Frazier, a crooked businessman, has urged an accomplice to impersonate Eusèbe, in order to obtain, through this straw man, authorizations for the creation of a casino in Sanceau-les-Nains and to make big money out of it. Eusébe decides to go to Paris to investigate. In the capital he meets Mariska, an exuberant actress who encourages him to try to get elected. As a result, thanks to her the true Bonbonneau becomes a member of parliament and the crook's accomplice is arrested. But Frazier is not impressed and, changing tactics, he starts manipulating Eusèbe.

Picpus is a street and a subway stop where a number of murders have been committed. Maigret tries to find the killer.

Maigret is called to the high-class Hotel Majestic to investigate a body. The wife of a wealthy American has been killed - but to Maigret's surprise she has a gun in her purse. He begins to follow up the handful of clues that could explain her secret life and her demise.