Arthur is twenty five years old, he is an apprentice tailor in Albert's workshop, Albert is eighty. Albert loves Arthur as his son, who returns these feelings, he will soon retire. He chose Arthur as his successor. But one evening, Arthur is taken to the theater by his friend Sylvain. He falls deeply in love with Marie-Julie, the main actress of the play.

Mona, a prisoner on work release, meets Clément, a shy actor. Desperate to impress Mona, Clément recruits his extroverted friend, Abel, to help. When Mona becomes more interested in Abel, it sets off a conflict between the two friends. Meanwhile, Mona attempts to keep her past hidden.

Blonde admired Brune's intransigence, who loved Blonde's spontaneity. Blonde had known how to say "yes" and enjoy the secondary benefits of her moral weakness (having a husband, children, in short, something like life)... Brunette had known how to say "no" and patiently suffer the inconveniences of her greatness. But now, after ten years of separation, Blonde arrives at her friend's house and the opportunity arises for both of them to try on each other's lives like trying on a dress.

Jeanne, aged twelve, spends a weekend with her parents. Thanks to an indiscretion, Jeanne learns that her father has a mistress.