For the first time, Marie spends her holidays alone with her kids, without her husband. One evening, she is seduced by a strange and fascinating young man, who slowly set a trap for her. Then the night turns into a nightmare...

Micha, 38 years old, Russian, spends his days in the Bois de Vincennes, talking to himself. Charles, 20 years old, works for a real estate agency and is given a camera to film apartments. Not knowing how to use it, he practices one weekend and of course, he falls on Micha. Charles' camera becomes an audience for Micha's rantings, which finally finds a docile and amused spectator.

Nora, 26, is a graduate and still lives with her parents. While Nora has no field experience, she finds herself in charge of a 19-year-old boy, accused of having murdered a girl from his residence. From her first police custody to the follow-up of the instruction, Nora discovers the cruelty of the world around her, in her intimate and professional life. Soon, carried away by the frenzy of her new life, she multiplies the errors.