Paris, France, early 19th century. The legendary convict François Vidocq lives in disguise trying to escape from a tragic past that torments him. When, after an unfortunate event, he crosses paths with the police chief, he makes a bold decision that will turn the ruthless mastermind of the Parisian underworld against him.

Margot, a mother-of-three who works as a secretary at an Import's company is summoned to work as a secret agent with the codename "Rose" forming a funny duo with the handsome spy FX.