French action thriller. Roschdy Zem stars as Marek, a French-Algerian police officer whose best friend and partner is killed in a risky sting operation. To avenge his death, Marek transfers to an undercover division of the force and takes on a mission to infiltrate a notorious drug trafficking gang, which imports hashish from Morocco using the 'Go Fast' method, in which a fleet of powerful speedboats and high performance cars are loaded with drugs and raced across the Mediterranean and through Spain at high speeds.