Pierre is a middle-aged man who has been married to Florence for 15 years. Despite his love for her, he struggles with the idea of marriage and feels like he is stuck in a rut. When a new young secretary, Agnès, enters his life, he starts dreaming of a more exciting future.
As Pierre's career progresses, he becomes increasingly frustrated with the lack of excitement in his life. He begins to question whether he should end his marriage or continue it. His feelings for Agnès grow stronger, but he is unsure if she truly loves him.
Florence also starts to question her own marriage to Pierre. She sees her mother and thinks that she could be a better role model for her children. As she looks into her daughter's eyes, she realizes that she too has similar feelings for Pierre.
The film explores the complexities of love, marriage, and family relationships. It asks the audience to consider their own beliefs and values when faced with difficult decisions.