Pierre, who is a Fine Arts student, and Denise, who is a chemistry student, work for a department store where, wearing wedding suits, they distribute flyers to passers-by. The store manager, Bernard, falls in love with Denise and arranges to take her to an inn not far from Paris, run by the handsome Robert. This one opens Denise's eyes who ends up returning to her home. After a fight between Pierre and Bernard, Denise ends up choosing to stay with Pierre.

The director of a private institution is the father of seven charming young girls. He has money worries. A rich bachelor, still young, a few years ago advanced him a large sum of money. He makes frequent visits to his debtor; the poor father, as mediocre a psychologist as he is a poor businessman, hammers himself in his head, not guessing that the visitor is reluctant to make his choice between the seven sisters.

A young sculptor presides over the destinies of a student club where a miserable young girl ends up one evening. The treasurer of the association falls in love with the young girl who returns the favor. The war. The sculptor comes back blind. Out of gratitude, the young girl marries him and restores his confidence in his talent; out of discretion, the treasurer steps aside.

Alice, an unhappy young woman in the household, is the mother of a little boy, Pierre. She falls in love with a young doctor and plans to run away with him and his son. Finally, not considering the right to deprive Pierre of his father, she gives up. Twenty years pass, Pierre has grown up, he suspects his little brother, Jean, of just being his half-brother. His suspicions gnaw at him, his mother confesses to him her past fault. Faced with this confession, Pierre will abandon the one who sacrificed her life for him.