In war against the Poles, the leader Cossack sees itself betrayed by one of his threads, been in love the girl of an enemy.

In love with his cousin, the gentle Émeline, a country gentleman, unaware of matters of love, decides to go to Paris, in order to lose his candor. She will prefer to avoid this hazardous and problematic move.

The rise of a canning maker and then his abandonment of the factory because his ideal of social progress for his workers is undermined by the Board of Directors.

Bariole gives cheap singing lessons, which annoys the official teachers.

Secret de Polichinelle roughly translates as Open Secret. The "secret" in question is an illegitimate child, the offspring of young-and-foolish Henri (Bernard Lacret). The baby is adopted by its grandparents, Monsieur and Madame Jouvenol (Raimu and Francoise Rosay). At first taking charge of the child because it is their duty, the Jouvenols come to love the little nipper as if he were their own son. At this point, the film threatens to drown in a morass of sentiment, but the actors and the director manage to stem the bathos with some first-rate comedy vignettes revolving around the care and feeding of the bouncing baby boy.

A crude countryman sells horses and ,thanks to an old war buddy who has now become a film star, has achieved some renown. Full of himself, he ventures to Paris to see his movie friend, only to experience bitter disappointment.

At the borders of the Saharan desert, the dramatic situation of a battalion of light infantry attacked by the enemy.

World War I aviator Carbot attempts to establish a commercial airline after the war, for the purpose of delivering the mail to the outermost regions of France.