Paris 1942. François Mercier is an ordinary man who only aspires to start a family with the woman he loves, Blanche. He is also the employee of a talented jeweler, Mr. Haffmann. But faced with the German occupation, the two men will have no other choice but to conclude an agreement whose consequences, over the months, will upset the fate of our three characters.

Beneath Anna Poliatova's striking beauty lies a secret that will unleash her indelible strength and skill to become one of the world's most feared government assassins.