The Baroness de Courtebise presides over an association of mothers-in-law with grievances against their sons-in-law. Armed with her prerogatives, she forbids the marriage of her daughter-in-law to the mayor's nephew, especially as an inheritance is in doubt. The ladies kidnap, the men kidnap, the election campaign turns sour and the Baroness must capitulate. She takes revenge by falling into the mayor's arms.

Sherlock Coco, famous detective, tries to thwart the machiavellian plans of the trio of shock. Croquignol, Ribouldingue and Filochard must be extra vigilant, but the profit motive is too strong. As a corollary, the famous pink diamond is also of interest to their legendary enemy, Jo Papillon. But always inventive, they will work out multiple scams and tricks to reach their goals.

Lily Ferronais can't stand her husband who, out of weakness, has let himself be led down the wrong road. She flees with her little Jeannette, whom she makes believe in the death of her father. Hired by the restaurateur Jean Garaud, the latter falls in love with her, to the chagrin of his mistress Hélène.

Commissioner Thomas simultaneously investigates the actions of an oil company, a theft and an assassination, and the kidnapping of a child with look-alikes.

Adrien Moulinet, a modest encashing agent in the Nortier bank, is also an inventor in his spare time. His latest revolutionary creation is the motorized roller skate. His problem is to be able to market them. Jules Petitpas, a jobless adman, is the right man for that.

A detective uncovers a crime. The suspects are numerous and it will take all the insight of a journalist to discover the culprit.

A pilot, hero of the war, finds himself implicated in spite of himself in a traffic. He is wanted by the police, but his former companions and an air hostess will help him prove his innocence.

Gaston wants more than anything to marry the naive Simone. But where he is, there is Sidonie, a local singer romantically pursued by the police commissionaire.

A young man leads a happy life in Paris, while making his aunt believe that he is continuing his studies, while she supports him financially.

In a small village, an abbot tries to take lightly the jokes of three men, recalcitrant to religion.