Jean leads a pretty ordinary life: he spends his days happily between his construction sites and his house, with his loving wife and son. He feels comfortable in his routine. One day, as he’s picking up Kevin from school, he encounters Mademoiselle Chambon, his son’s teacher. She is discreet, elegant, mesmerizing, unlike any woman he has ever met before. This chance encounter will be a turning point in his well-organized life. An opportunity to change or a folly to regret?