Gérard Depardieu, Guillaume Canet, Inés Sastre, André Dussollier, Édith Scob, Moussa Maaskri, Jean-Pierre Gos, Isabelle Renauld, Jean-Pol Dubois, André Penvern, Gilles Arbona, Jean-Marc Thibault, François Chattot, Fred Ulysse, Elsa Kikoïne
Paris, 1830. In the heart of the town, Vidocq, a famous detective, disappears as he fights the Alchemist, an assassin that he has been pursuing for a few months. His young biographer, Etienne Boisset, decides to avenge Vidocq's death and takes the investigation on...