Bitru is a carefree fellow who, one day, decides to buy a houseboat on the River Seine. He moves there and starts living surrounded by a circle of colorful friends. Among them, the daughter of an auto maker but also a group of scientists who have developed "Aqua Simplex", a device that could enable motorists to fill their tanks with... water ! Panic sets in in the automobile industry and Bitru is appointed his friends' middle man to represent them on the various car makers directors' boards.

1944 film by René Le Hénaff

A famous violinist enlists in a music school in order to woo one of the students.

1938 film by Jean Boyer

An assistant pharmacist in the South of France , Blaise works for Mrs. Pinède, a well-endowed hot-blooded woman who has developed a crush on him, and her husband ... who hasn't! One day, Blaise meets Felloux, a rich man who is convalescing in Cassis. Felloux takes a liking to Blaise and decides to offer him a perfect day in Juan-les-Pins. Gambling in the casino, Blaise wins an astronomical sum. A new life seems to open to him but not for long. Indeed he loses all, but not before he has given a beautiful necklace to a young woman.

Alfred Boulard, a good-natured electrician, gives his blood to save Mona Thalia, a great theater actress. Mona Thalia survives and Boulard becomes the man of the hour. Grateful to him, Mona helps Alfred to become a singing star. But his fame will be short-lived.

1932 film by Pierre Colombier

There's never a dull moment at the Hôtel du Libre Echange. Deceptions, hitches and other misunderstandings make a few people mingle whereas, for their own sake, they should not. An example among others: an expert who has come to the hotel for professional reasons had better not meet his wife, who is there to cheat on him with his best friend.

The scene is set during the Second Empire. Captain Bitterlin watches jealously over his lovely daughter Madeleine but he cannot prevent nature from demanding its rights and Madeleine soon finds herself a suitor in the person of Mario, a dashing young songwriter. Bitterlin, who wishes his daughter to "evade the grip" of the young man, takes her away to Monte Carlo. There, the captain does what he had sworn he would never do, he gambles in a casino. And even more upsetting: Mario might well be hereabouts...

Monsieur Jourdain is a dangerous madman : he wants to share his fortune! His relatives do what any sensible fellow on earth would do: they have him committed to a mental hospital. But Jourdain manages to escape and decides to make everybody happy except... his heirs!

Thérèse kills her lover during the very night of her wedding to the count of Vétheul. To gain a night with her, a modest local worker agrees to bury the body.

In 1914, in the first months of World War I, Louise Jarraud loses her husband, killed on the front. Shortly after, she gives birth to a baby, who soon dies. Devastated by this double misfortune, Louise decides to dedicate her life to caring for the children of others. She becomes a nurse with several employers, giving her affection to little boys or girls. A widower and another man propose to her but she refuses twice determined as she is to live only for the children in her charge.

In pre-World Ward I in Paris, a budding artist, Pierre LeBlanc, falls in love and marries Janine, a dressmaker's assistant. Pierre has a flair for designing clothes, and he and his bride live in a blissful paradise, until the war breaks out and he becomes a soldier. Janine dies in childbirth and, no longer desiring to live, Pierre volunteers for a dangerous patrol behind German lines. While recuperating in the hospital from a wound he received on the mission, Pierre spends his time drawing sketches of dresses. He becomes rich and famous after the war. Years later, after devoting himself to his daughter, Pierre seeks a marriage with a girl no older than his daughter. A conflict develops and to ensure his daughter's happiness, Pierre sacrifices his own plans.