Tahar Rahim (A Prophet) and Adèle Exarchopoulos (Blue Is the Warmest Color) star in this sweeping historical crime drama set in turn of the century Paris, where police officer Jean Albertini is tasked with infiltrating a band of anarchists, and unexpectedly falls in love with a passionate, and persuasive, member of the movement. Torn between duty and his heart, Jean will have to choose his allegiance.