Paris. For several months an incredibly violent gang has been successfully holding up armored bank vans. The Chief of Police, Robert Mancini, has been quite frank with the two lieutenants under his command, Léo VRINKS, the head of the BRI, and Denis Klein, the head of BRB: whoever manages to bust this gang will replace him as the "Chief" at Police HQ, 36, Quai des Orfèvres. The fight is on between these two supercops, who once were friends, and are now at odds about everything: their private lives, their methods, the collaborators and especially a woman, Camille Vrinks.