Joseph, passionate dancer of hip-hop, refuses to enter the company of his father to try his luck in Paris. With his girlfriend Emma and his best friend Karim, he joins the Paris crew of Yuri, a famous breaker, to try to win an international competition of hip-hop.
Antoine receives a novel gift for his fiftieth birthday: a heart attack. From now on, he "must be careful." But Antoine has spent his entire life being careful: being careful about his health, about what he eats, about his family, about accepting his friends' foibles, and about putting up with a whole heap of trouble...