October 2015. French customs seize seven tonnes of cannabis in the heart of the capital. The same day, Hubert Antoine, a former mole with a shady past, contacts Stéphane Vilner, a journalist at Libération. He claims to be able to demonstrate the existence of State drug trafficking led by Jacques Billard, prominent media figure and high-ranking French police officer. Suspicious at first, the young journalist finally dives into an investigation that will lead him to the darkest corners of the Republic.

As a child of working-class parents, 17-year-old Kevin reconsiders society and its injustices when his best friend Elias tells him about the benefits of the monarchy in his homeland. The two high-school students' reflections on the subject of history will bring them face-to-face with many of those who reject the idea, but also with the discovery of the real heritage of the French Monarchy.