Ousmane Diakité and François Monge are two cops with very different styles, backgrounds and careers. The unlikely pair are reunited once again for a new investigation that takes them across France. What seemed to be a simple drug deal turns out to be a much bigger criminal case wrapped in danger and unexpected comedy.

Events over the course of one traumatic night in Paris unfold in reverse-chronological order as the beautiful Alex is brutally raped and beaten by a stranger in the underpass. Her boyfriend and ex-lover take matters into their own hands by hiring two criminals to help them find the rapist so that they can exact revenge. A simultaneously beautiful and terrible examination of the destructive nature of cause and effect, and how time destroys everything.

The young police man Vincent is the best in his class, and denies to be recruited to the special forces. But when the corrupt Milo manages to get a grip on him, his life is turned into a living nightmare.

Paul and Agnes have been going out for quite a while and Agnes is shocked to learn that he’d rather live with two roommates on campus than move in with her. As soon as he meets one of his roommates, Louis-Anault, Paul’s behavior changes – he is attracted to Louis without realizing so himself. Agnes, on the other hand, gets quite jealous and offers a bet: Whoever gets to have Louis-Anault first, wins… If she does, Paul will no longer explore his homosexual desires, if he does – she’ll walk away. Meanwhile, Paul meets Mecir, a young Arab worker, who shows him there’s more to life than elite colleges…