Alex, the son of a pied-noir gang boss from Marseilles joins the French Foreign Legion to avoid a hit put out on him by the Corsican Mafia. Four years later, Alex dheserts and returns to Marseilles to get back together with Katia, his former girlfriend. But in the city, relationships have changed: his father has retired, letting the Corsicans and the gangs from the northern neighborhoods to share and control the city. Alex's determination will upset the fragile equilibrium and risk endangering his family.