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.

Undercover

In Malmousque, a former fishermen's district in Marseille, new residents and bathers from all over the city mix. Virginie wanders the streets looking for her cat, while Elina is convinced that her husband has put spyware on her cell phone. The two friends go kayaking so they can talk to each other without the risk of being overheard.