(released internationally as Undercover ) is a slow-burn French political thriller directed by Thierry de Peretti. It is based on the real-life narcotics scandal involving whistle-blower Hubert Avoine and the newspaper Libération . Critical Reception

as Jacques Billard: The head of the Narcotics Unit.

Critics and viewers generally describe the film as a dense, moody "procedural" that prioritizes realism over traditional Hollywood-style action.

: Shot in a cinéma vérité or reportage style, the film captures the gritty, often tedious nature of investigative journalism. It focuses on the complex relationship between a journalist (Pio Marmaï) and a high-level police informant (Roschdy Zem) as they expose corruption at the top of the French Narcotics Unit.

For more detailed viewer perspectives, you can read user reviews on IMDb or check the film's profile on Rotten Tomatoes. Undercover (2021) - IMDb

as Stéphane Vilner: The investigative journalist.