When the Paris police's vice squad - on the orders of Police Chief Lépine - begin to clean prostitutes off the city's streets, a man's body is found in the Bois de Boulogne. Inspector Antoine Jouin is entrusted with the investigation.

Jérémie Laheurte, Evelyne Brochu, Thibaut Évrard, Marc Barbé, François Raison, Mathilde Weil, Christian Hecq, Alexandre Trocki, Vincent Debost, Clotilde Mollet, Caroline Darchen, Mikaël Halimi, Eugénie Derouand