François Vidocq has been sentenced to eight years' hard labor for a crime he didn't commit. Escaped with the help of his faithful friends Desfossés and Fil de fer, the convict is pursued by his lifelong enemy: the policeman Flambart. Between scams and disguises, Vidocq initially leads an undercover life in 19th-century Paris. Eventually, the two men team up to fight criminals... And Vidocq succumbs to Annette's charms.

Bernard Noëlas François Vidocq
Alain Mottetas Inspecteur Flambart
Jacques Seileras Henri Desfossés
Marcel Charveyas Capitaine Thierry
Jacques Monodas le directeur de la prison
Pierre Tornadeas Gontran Tornifon
Henri Crémieuxas Le parrain d'Annette
Pierre Pernetas l'acrobate
Mario Davidas un gendarme
Georges Neveux
Serge Gainsbourg