 In 2010, the dangerous districts in the periphery of Paris are surrounded by walls, and the dwellers do not have school, hospital and even police in the area, which are ruled by drug lords. In the 13th District, Leito is a honest man that lives in a clean building and does not permit drug dealers nearby his neighborhood. When he destroys one million Euros in heroin of Taha Bemamud, the criminal abducts Leito s sister Lola and the corrupt police arrests Leito. Six months later, the tough and honest Capt. Damien Tomaso is assigned to find and deactivate a stolen bomb that might destroy the 13th District and the two million dwellers. Together with Leito, they have to face the gang of Taha and disclose a despicable secret behind the robbery of the bomb.