A continuous flow of drugs is flooding the streets of Marseille leading to the death of a tourist. Two French detectives, Genevieve Benoit and her partner Claude Lemieux find a clue to the shipments from a Scotland Yard investigation. While pursuing their suspects, they stumble across a link to an Algerian crime lord who has a dark past from the country's fight for independence. As the clues are found, Detective Benoit encounters an adversary in Nazim Aziz, the young protege' of the crime lord. In her haste to bring Aziz to justice, she stumbles across two escaped fugitives, one that dies in jail before she can get him to divulge his connection to Nazim and the drug trafficking.