Thomas Chevalier, a cop with an exemplary career record, finds himself forced to neutralize a man about to attack the new star recruit for the Olympique de Marseille football club. But he accidentally injures the player, putting an end to his Marseille dream before it even starts. Thomas is penalized for his disastrous intervention, and is immediately transferred to the worst possible place for a true Parisian cop who’s to blame for the worst possible thing for his future city: Marseille. Once t...