The film is biographical, telling the story of the life and artistic struggles of the French composer Hector Berlioz. Berlioz is shown as a recalcitrant medical student in an anatomy class dreaming of becoming a composer; at a demonstration during a performance at the Paris Opéra conducted by Habeneck; at supper with other young artists (Hugo, Janin, Dumas, Mérimée, Delacroix); and chasing after his future wife Harriet Smithson, after a performance of Hamlet. Also depicted are his life in a garret, while suffering from an illness due to an abscess in the throat; a visit from his mother who curses him; and the composition of the Symphonie fantastique. The film then shows his marital breakdown, the premiere of his opera Benvenuto Cellini, his travels throughout Europe, his second marriage to Marie Recio (called "Marie Martin" in the film), public acceptance in old age and reconciliation with his son.

Robert and Françoise Monier make a hot air balloon to fly to the stratosphere. After a visit to Venus, they return home, but have only aged 15 days whereas 25 years have passed on Earth.

Denis, a poor student in philosophy, works as a night porter in the Paris market of Les Halles in order to pay for his studies. Constantly weary, he falls asleep and dreams of a beautiful girl in white, Irène, with whom he falls in love.

A student from an elementary school accidentally breaks the glass roof of his school. His comrades decide to support it by working during the summer holidays in order to pay for reconstruction.

A lieutenant, at the head of a commando ready to land in France, finds among his men a maquisard who had tried to kill him in the past.

Anne-Marie meets three men bearing the first name of Ludovic. Each of them has a very different character than the other two. The young woman will find great love with one of them.

Kohlman, the attorney for the Fournil bank, diverts money from the institution. To hide his malpractices, he imagines to remove the director, the young and overconfident Clement Fournil, during a cruise at sea on the yacht Emile Frechisse.

Le Havre, France, in 1949. In a town that still shows the scars of war, several friends meet up in Albert's café. One of them, Laurent, has lost his job on the docks and his marriage to Madeleine is falling apart. He knows that his wife wants to start an affair with friend, Jean Sauviot. Jean is a lonely man who is attracted to Madeleine but doesn't want to commit himself to the wife of a friend. On the day that Madeleine tells her husband that she is seeing Jean, Laurent goes looking for Jean to find an explanation. Arriving on the docks in the evening, he attacks an American sailor who looks like Jean, but the man fights back and runs away after killing Laurent accidentally. Madeleine thinks that Laurent was killed by Jean and believes that she can start a new life with her lover. The police have other ideas...

Melodrama of two struggling artists whose love for each other is thwarted.She has some success as a ballerina despite being wounded by him in a fit of jealousy. His career as a sculptor is stymied when he is arrested.

A fictitious biography of Jacques Offenbach and Hortense Schneider.