On the eve of his wedding, on holiday on the Lake Annecy shore, a career diplomat visits an old acquaintance, perhaps a former girlfriend. Through her he meets an intense teenager, Laura, and then lusts after her sister, Claire. Whilst Laura attempts to flirt with him, his fantasy becomes focused on wanting to caress Claire's knee.

Harry is a married writer who has an affair with a woman whose husband knows that she is unfaithful. As a result of his work, Harry has trouble distinguishing between fantasy and reality leaving us to wonder whether the affair is real or just a figment of Harry's imagination.

Frederic leads a bourgeois life; he is a partner in a small Paris office and is happily married to Helene, a teacher expecting her second child. In the afternoons, Frederic daydreams about other women, but has no intention of taking any action. One day, Chloe, who had been a mistress of an old friend, begins dropping by his office. They meet as friends, irregularly in the afternoons, till eventually Chloe decides to seduce Frederic, causing him a moral dilemma.

In Troyes, Thomas, the son of a bourgeois family, is in the final stages of his adolescence. He's almost an adult when he discovers that his mother has a lover. At the same time, he realizes that his father is turning a blind eye, and that the estranged couple are only together for show. Thomas rebels, but has to hide his dismay and satisfy his great need for tenderness at the same time.

Charles Moreau, general practitioner, and Hélène, his wife, have four girls aged 11 to 20 years. The eldest, Claire, plays the piano when she does not let her mind indulge in solitary reverie. Bernadette has a real passion for horses, while Cecile, the youngest, plays from a young age to realize all her whims. As for Pauline, at the age of 17, she decided that she would become a novelist. So she writes a book telling the story of family life. One day, when she comes out of high school, she meets Pierre, a penniless painter, from whom she immediately falls.

Family mother and model wife, Agnes hits a vehicle while driving in Paris. She immediately falls in love with the driver of the damaged car.