Jour de Fête tells the story of an inept and easily-distracted French mailman who frequently interrupts his duties to converse with the local inhabitants, as well as inspect the traveling fair that has come to his small community. Influenced by too much wine and a newsreel account of rapid transportation methods used by the United States postal system, he goes to hilarious lengths to speed the delivery of mail while aboard his bicycle.

Jeanne supports supports his family on his modest salary. Her boss is arrested for fraud. Jeanne is forced, out of poverty, in the street.

June 1944, a French town towards the end of the occupation. Following several attacks perpetrated by the resistance, the inhabitants who listen to English radio are rounded up by the Germans in a prison and considered as hostages. In one of the cells are found men from all walks of life: an aristocrat, the Viscount of Saint-Leu, Doctor Noblet, a resistance fighter, Béquille the wanderer with a wooden leg, and a strange character nicknamed "Black Market". The latter arouses mistrust among the prisoners, because it could well have been introduced by the enemy.

A stranger named Constant disrupts the life of Flora, who is seemingly happy with her husband Lucien. But she suddenly experiences a passionate love, taking refuge with Constant in a cave they call “home under the sea.”

A sensitive teen-age boy survives the brutalities of a country training school.

Cecile, a young girl who goes to the offices of the Judicial Police several times in a row to complain about nightly visits to the apartment she occupies with her aunt, is not taken seriously by the police until she the day she is found murdered.

Two-sided painting of the German occupation in France: the acts of heroism of the maquis are opposed to the villainies of the profiteers and the drafts, all treated in the manner of the imagery of Épinal.

The struggles of a small business owner come to light in this film by director André Cayatte. The proprietor of a fabric shop, M. Baudu faces stiff competition when a department store moves in across the street, the first of its kind in 1860s Paris. On top of the stresses associated with the rival retailer, Baudu’s niece and two nephews take up residence with him after recently being orphaned. The niece, Denise Baudu, sees the writing on the wall for her uncle’s business so she takes a job as a shop girl with his competitor and despite her success the decision does not register well with the family.