A woman becomes distressed by the resemblance between the plot of a film and the reality of her own life. But what is reality: life or film?

Former student Raskolnikov is pushed to murder when struggling to pay the rent on his apartment. When the murder is being investigated by the police, Raskolnikov struggles between trying to hide his guilt and the pressure to confess.

In the spring of 1913, Jean Servin, a son of a family, became friends with Roberte, a little midinette. He leaves her a few months later to marry Cécile Breton. The years go by. Jean becomes an important businessman. One evening, he meets Roberte, who has become the wife of a wealthy American. She does not love her husband any more than he loves his wife. They recall their memories. They seem to still love each other. They plan to rebuild their lives. Together, they will spend a few days in Dieppe, as they did in the past after their first meeting. They feel so different from what they were twenty years ago that they understand that the past cannot live again.

The young Paulette is placed by her tutor in a boarding school in Lausanne. It is at the neighboring dance hall, by running away for a short time, that she will find love.

Pierre loves Agnès who prefers Clément, an aviator. Out of desperation, he will commit suicide. Agnès then concludes a pact with him. During the three months that Clément will be absent, Pierre will be able to see her as much as he wants. She thinks that this time will be enough for the young man to realize that she is not the ideal woman for him.

Sentenced to 20 years after killing a colleague for revealing that his wife was unfaithful, Sourdier escapes hoping to kill the woman as well.He learns she was true to him and has had a little girl who thinks the father is dead.

After a banker is driven to suicide by his wife's reckless spending, an innocent cashier is wrongly implicated in a crime.

Théodora, Thierry de Villiers' governess, has the leisure of scrambling the cards: She combines the meeting in the same apartment of Thierry, his friend Octave, Brigitte, his wife, and Nicole, Villiers' secretary. Finally, Theodora will be sent back to the asylum from which she had run away.

A man who has just deposited a will with a notary is run over by a car. As his overcoat bears the name and address of Emile Blondin on a label, the police go there and discover that the dead man is not Emile Blondin. But this one is soon discovered murdered. The police then became interested in Georges Blondin, the victim's brother, whose goddaughter, Juliette, was also the notary's secretary.

Jacques Audoin falls in love with a pianist, Evelyne Clery, and marries her. In reality, he had wanted to approach her, because he imagined that she had witnessed the murder of the lover of his first wife. Evelyne learns what has happened and, revolted by what she thinks is her husband's plot, commits suicide. Jacques confesses his crime.