B13 is set in paris and is takes place in the year 2010. The French government finds itself incapable of dealing with the rising crime in the city and decides to build a wall around a part of the city district B13 and ship all the low lifes of the city into the walled portion in hopes that the criminals will eventually kill each other off. Unfortunately for the government a crime boss in the B13 Taha finds himself in possession of a nuclear bomb and it is up to the Paris police to get the bomb from him. In order to do that Damien (Cyril Raffaelli) the cities top cop is given the mission . Leito (David Belle) a criminal and an expert martial artist who is trying to save his kidnapped sister from Taha finds himself inadvertently teamed up with Damien. The amazing duo have to race against the clock in order to complete their respective missions, while having to deal with an army of heavily armed drug crazed mercenaries.
