Julien works as an agricultural contractor, is married to Delphine, and has a daughter, Suzanne. The pharmacist Esther Despierre, whom Julien knew from his youth, is married a schoolmate of Julien, always sickly Nicolas. One day, Esther meets Julien again and accuses him of having kissed all the women, but not her. Now she makes him to kiss her, and a passionate affair begins. In the following months, they irregularly meet in the blue room of a local hotel. When Esther asks him whether he could imagine a life with her, Julien affirms.