A school excursion to Strasbourg Cathedral turns into a tragedy when a teacher is murdered in the cathedral square and nine children disappear.

Because he wanted to protect his little brother, Teddy, a young man without a history, is accused of the murder of his father and sent to a closed educational center, waiting for his trial for parricide. He then plunges into a brutal universe of which he does not know the rules.

Nelie escaped a miserable existence by becoming a frontline nurse in 1914. One day, she takes the identity of Rose, a young woman from a good family, who dies in front of her. She presents herself in her place at Madame de Lengwil's house, to become the reader of this wealthy woman.

Françoise is determined to help her friend Lucie discover sexual fulfillment, whom she considers to be stuck in a marital rut with Henri, her failing husband. So she introduces her to a friend, Pierre, who soon becomes her lover. Pierre even proposes to Lucie to go with him to Nice, where he says he has a villa.

Just as he is about to go on stage, Max receives a phone call from Philippe who announces his presence in the room. As soon as he hangs up, the actor collapses. Max will then have to draw on his game to face this man. But will he dare to confront him at the end of the show?

The bored and self-centered Mr B secretly dreams of being acknowledged by his everyday travel companions as a distinguished and entertaining man.