An Old Friend
District B13 (2004) - IMDb
In the near future, the worst ghettos of Paris, France are literally walled off and among the worst is District B13. Controlled by the ruthless crime lord, Taha, a young righteous punk named Leïto is determined to bring him down. When the boss retaliates by kidnapping his sister, Lola, a rescue attempt by Leïto is destroyed by betrayal that gets him arrested and Lola kept in the clutches in Taha. Six months later, a crackerjack undercover cop named Damien is given a urgent mission: a neutron bomb has been stolen by Taha in District B13 which has an automatic timer function engaged and set to detonate in less than 24 hours. Now with time running out, Damien and Leïto must work together to find and stop the bomb, but there is far more to this crisis than any of the field players realize.
http://www.beyondhollywood.com/banlieue ... ie-review/
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.