An elaborate bank robbery takes place and the gangsters succeed although the FBI had been warned. Jerry Cotton, who is considered accountable for this major failure, loses his badge over this. Being the man he is, Cotton doesn't let the evil-doers forget that he has unfinished business with them.

Paul Blanc runs a butcher's shop with his Neapolitan wife, the vivacious Giulia. One night, thanks to sleeping pills received from his brother in Argentina, he dreams of horse racing and sees in his dream the order of arrival of the horses. Giulia praises her husband's gift at the local café. But the turfmen dissuade her from betting on the nags chosen by Paul, who they consider to be real losers! But her vision proves to be right. When her secret is discovered, everyone wants to buy this miracle medicine. But the product is no longer manufactured, as it is considered dangerous and has been banned by the authorities.

Serge, alias Count Fornari, is hired by a mysterious employer to try to steal the Nabob, an exceptionally valuable diamond that Jeannette, alias Aménita (Perrette Pradier), the companion of a billionaire, wears as a locket. She covets the diamond and steals it from the safe. About to be caught in the act, she keeps it hidden in a handkerchief in her hand and manages to conceal it in Serge's pocket during the hotel ball. When she rejoins the billionaire, he asks her to open her hand, but the diamond is gone. The result is a chase full of misunderstandings and twists and turns between the three protagonists.

A couple, convinced that extramarital affairs bring marriage to life, are having the time of their lives. But trouble begins when the bride falls in love with another man and abandons her husband.

In June 1940, during the Dunkirk evacuation of Allied troops to England, French sergeant Julien Maillat and his men debate whether to evacuate to Britain or stay and fight the German troops that are closing-in from all directions.

In the second episode of the trilogy Fantômas kidnaps distinguished scientist professor Marchand with the aim to develop a super weapon that will enable him to menace the world. Fantômas is also planning to abduct a second scientist, professor Lefebvre.

In the third and final episode of the trilogy, Fantômas imposes a head tax on the rich, threatening to kill those who do not comply.

In this Franco-Italian gangster parody, a shopkeeper on his way to an Italian holiday suffers a crash that totals his car. The culprit can only compensate his ruined trip by driving an American friend's car from Naples to Bordeaux, but as it happens to be filled with such contraband as stolen money, jewelry and drugs, the involuntary and unwitting companions in crime soon attract all but recreational attention from the "milieu".