José is looking for a way out, tired of the gloomy prospects offered by French banlieues. When he overhears a conversation between his girlfriends and his step-brother, he might just have found a lucrative way. Together with his two best friends, he decides to attack an armored vehicle. But when everything goes astray, they’re forced into hiding, in a 13 square meters bunker. There, they will have to test their friendship, their motivations, as every move outside triggers even more paranoia.