An ordinary ticket check in the metro turns into a battle of classes, races and genders.

There's nothing to keep Yvan in Paris any longer. His wife has left him to live in Thailand. His teenage daughters have chosen to live with his sister Ariane, who is as anxious as she is admirable. Yvan is ready to leave... when beautiful Emmanuelle enters his life. She makes babies as easily as she falls in love, and she's accompanied by Léo, the little boy who Yvan's wife had with another man. Yvan is going to have to change his plans.

Follows a young man, Marcel, from his childhood in Combray to his discovery of social life among the upper classes.