Newly transferred to the port city of Marseille to assist with a crackdown on organized crime, energetic magistrate Pierre Michel is provided a rapid fire tutorial on the intricacies of an medication trade. Pierre ambitious assignment is to take on the French Connection, a highly organized operation that controls the underground heroin economy of the city and is governed by the notorious -- and reputedly untouchable -- Gaetan Zampa. Fearless, eager to go the distance and determined, Pierre falls into an underworld world of ruthless and insane threat criminals.