Nathalie teaches philosophy at a high school in Paris. She is passionate about her job and particularly enjoys passing on the pleasure of thinking. Married with two children, she divides her time between her family, former students and her very possessive mother. One day, Nathalie's husband announces he is leaving her for another woman. With freedom thrust upon her, Nathalie must reinvent her life.

Alain, a successful Parisian publisher struggling to adapt to the digital revolution, has major doubts about the new manuscript of Léonard, one of his long-time authors - another work of auto-fiction recycling his love affair with a minor celebrity. Selena, Alain’s wife, a famous stage actress, is of the opposite opinion.