Max, a teenager, is having a difficult time coming of age. At 16, he is constantly in conflict with his parents. His father, Yvon, a lock and alarm manufacturer, does not understand this rebellious son. Worried about his future, he drowns Max's ambitions in a clumsy speech. Himself a bit clumsy, he doesn't know how to show him his affection. A gap is growing. One day, Max goes out without his parents' permission to attend a party organized by a friend. There, he meets his first true love, Audrey...