He makes the decision to ask to the dark detective Jean-Louis Schiffer to pursue the serial killer After the young detective Paul Nerteaux discovers the largest corpse of Turkish immigrants. Together, they infiltrate in the Turkish mafia looking for the answer to the offenses. Meanwhile, the worker Anna Heymes is being submitted to an brain treatment and has glimpses and intense headaches of visions and memories. Whenever those two concurrent events collide, acknowledge that the Turkish company"The Wolves" is behind them.