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...

• RF2K Productions
• StudioCanal
• Gérard Depardieu
• Guillaume Canet
• Inés Sastre
• André Dussollier
• Édith Scob
• Moussa Maaskri
• Jean-Pierre Gos
• Isabelle Renauld