Vidocq plot
"To look into his mask was to lose your soul."
Paris, 1830. While the tension of the revolution reigns over the city, the master detective Vidocq (Gérard Depardieu) suddenly disappears. The secret of the unmasking, who is the murderer, taking to his grave. Etienne Boisset, Vidocq's alleged biographer, looms up in the story and decides to get to the bottom of the matter and investigate the detective's murder. This way he can finish the biographical story and then publish the book. As the investigation continues, there are more and more victims and who is who now?