Hopes and love and ambitions and friendship in a group of young jazz-loving Parisians.

Paris at the Belle Epoque. Monsieur de Pontagnac, a perfect honest man, loves pretty women too much and that plays him many tricks. What need does he have to follow the pretty Lucienne Vatelin, home, to find himself in the presence of the husband, the notary Vatelin, who is part of his circle? From there, many characters will meet, avoid each other, find each other. Adultery, domestic scenes and reconciliation will be their lot.

A novel by Michel De Saint Pierre was the source for Les Aristocrates. Pierre Fresnay stars an aging Marquis, who tries his best to uphold the traditions of nobility in an ever-changing world. The Marquis' children prefer the trappings of modern society and pop culture and regard their father as a relic. This cultural clash nearly results in tragedy when two of the Marquis' offspring substitute recklessness for common sense.

The descent into hell begins for Edouard, a disillusioned marginal, when he loses his job, and his wife leaves with his son. His meeting with a mysterious stranger, who claims to work for the secret services, leads him to commit the irreparable. Was it a trap or just a symptom of his madness? There is doubt...

Dante Trilli, who has been teaching in his village school for about twenty years, wins a competition for Milan. Waiting for him is his childhood friend, where he is the janitor in the school where Trilli will teach.

Innocent young Marianne works in a ski resort high in the French Alps. One night she agrees to go on a date with Bob, a young guy on vacation. Bob excites her in ways that her oafish boyfriend never could.

Paris, France, during the First World War. While thousands of soldiers die every day on the battlefields, Henri Landru, a seemingly respectable furniture dealer, married and father of four children, relentlessly feeds his own sinister factory of death.

Michel, a young painter in poor health, enters the grounds of a château and faints when he sees a haughty young woman in the simplest of garb. The chatelaine, Eliane, takes care of him and calls in Pierre Fournier, a Parisian doctor. A disreputable Count Ostrowsky turns up to blackmail her. He is found murdered. But who's the killer? Pierre or Eliane? Quite simply Michel, who, before dying, showed his gratitude to the woman who had taken him in. Pierre and Eliane were living apart, but they were husband and wife. Such adventures unite them, this time, forever.

Sophie Mallet is the lively manager of a detective agency, assisted by Emile Gachit, her conscientious but not very effective right-hand man. One day a fellow named David entrusts her a pack of cigarettes that she is supposed to hand over to a certain John Smith. But David soon disappears while John Smith is murdered. Moreover, a lot of dubious characters prove "very interested" in the pack of cigarettes... Which will keep Sophie and Emile for some time...!