Superintendent Thomas is investigating a cabaret owner with suspicious actions.

Roger Laroque is now a rich man. He returns to France under the name of William Farnell. There, he discovers that on the one hand his wife has died of a broken heart and on the other that his daughter Suzanne is in love with Raymond de Noirville, the son of his former mistress. With the help of a few friends, Roger coldly prepares his revenge.

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

Two paintings are stolen. Amateur private detective Roland Gautier investigates.

She dragged out a more than mediocre life in the port of Antwerp; he is a renowned pianist-virtuoso. These two solitary beings, totally different, meet by chance on a liner and gradually realize that they complement each other harmoniously.

Kohlman, the attorney for the Fournil bank, diverts money from the institution. To hide his malpractices, he imagines to remove the director, the young and overconfident Clement Fournil, during a cruise at sea on the yacht Emile Frechisse.

Christine, the daughter of a rich American, acquires from her father the jazz band of Ray Ventura who will be made responsible for accompanying her from morning till evening wherever she goes. From an endless number of amusing situations, the fiancée of the girl despairs. But soon the musicians rebel in in the face of the requirements of their patroness. More than a job, it is for them misery. Christine excuses them and she goes back to America with her band. Things go bad, degenerate, but the kindness of the musicians and the firmness of the fiancée of Christine really quiet down the moods of the young woman .

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.

The love of a singer and his mistress suffers a setback.

A group of Nazis and sympathizers board a submarine bound for South America in the hopes of finding shelter.