Anna is losing her memory. It started the day she failed to recognize her husband, Laurent. Then at a dinner party, faces suddenly morph into death masks. Elsewhere in Paris, Captain Nerteaux is trying to catch a serial killer. The three female victims, all Turkish illegals, were tortured and mutilated. Out of desperation, Nerteaux turns to "Shifty" Schiffer for help. A brutal cop with ties to the Turkish underworld, Schiffer is easily persuaded. Meanwhile, Anna begins seeing Dr. Mathilde. Mathilde turns out to be a sympathetic psychiatrist who helps unravel the truth about her condition. At the same time, Schiffer helps Nerteaux to solve his mystery. The link between the two is a right-wing organization called the Grey Wolves, which will lead all of them to Turkey for the explosive climax...