Heureux qui comme Ulysse

A scientist who have discovered how to turn salt water into petrol dies before he has revealed his formula. By mistake it's assumed that his assistant knows it although he does not.

Good-natured and devout, a French house painter takes the train to Rome, where he has decided to go on a pilgrimage. There he meets a scatterbrained dresser who has been assigned by a music hall star to bring her the gown she is to wear on stage. The two men get stolen by Cleo, a charming thief. Once in Rome, the painter finds himself penniless and the dresser without the gown...

Two friends, Tricoche and Cacolet, are partners in a detective agency. Chance has it that Cacolet is hired by Van der Pouf, a rich banker who wants him to watch over his wife Bernardine while the latter, on her part, seeks the services of Thicoche.

Sénéchal, an actor touring the provinces with the "Tournées Carlini" does not meet the success he thinks he deserves. One night in Dreux, he finds himself without his luggage and dressed up as a Foreign Legion officer, he is invited to a party thrown by a colonel. He creates a sensation there and does not leave the colonel's wife ... indifferent! Back in Paris, Sénéchal goes through a similar experience. This time around, wearing tuxedo and top hat, he gets mistaken for a diplomat and charms the guests of a wedding party. Arrested by the police, he chooses to do without an attorney at his trial and his brilliant eloquence has him acquitted. A question remains unanswered though : will all those people who give an ovation in real life ever go to see him on stage ?

Fernand Espitalion is miserable as totally whipped husband of a dragon 'passed on' -like cloths- by his late cousin. She often leaves him waiting outside like a dog when she does business. While she sees a notary about an inheritance, he's seduced to a bar by a shady man. The rogue gets Fernand drunk, knocks him out and switches costumes and papers. He's now Robert Durand, a voluntary Foreign legion recruit. After failed attempts to explain, he tastes military life and finds it less disciplined and more enjoyable then, marriage. But will that last when his wife tracks him and his unit is sent to action in tribal Algeria?

Hélène and François are a perfect couple happily married for twelve years. But Hélène discovers psychoanalysis via a very handsome Dr. Kougloff, and he convinces her that the apparent well-balanced nature of her husband is in fact a cover for horrible tragedies.

Following a broadcast on the radio, each of the listeners remembers these "little nothings" (the title is borrowed from a play by Mozart), which have often changed their lives. Each of these stories told will prove that a tiny detail in life can change an entire destiny.

Fernandel plays Albert, the unhappy brunt of jokes by his fellow office-workers who goes from the frying pan into the fire. Albert gets caught up in a robbery that also goes from bad to worse when it leads to several murders. Although he is not a killer and essentially innocent, there does not seem to be very much that Albert can do to convince others of the truth.

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

The reservist Lafleur, having a wife, a mistress and still running after the first petticoat that comes along, his namesake, an active soldier, finds himself embroiled in the vengeance or intrigues that all these women are plotting. Eventually, the entanglements will unravel in a final party.

Famous author Bretonneau gets his ghost writer Moluchet to impersonate the notorious criminal Jim la Houlette and pretend to steal a manuscript to boost the sales of their novels.