L'Empire des loups" is the dark tale of Jean-Louis Schiffer (Jean Reno), a retired detective on the hunt for a serial killer in Paris. With the help of naive detective Paul Nerteaux (Jocelyn Quivrin), they discover the Turkish mafia's Grey Wolves may be involved. Meanwhile, Anna Heymes (Arly Jover) a housewife has been having bizarre, violent visions of murders. Could they be related? And could she be next victim? As she loses her memory, it's a race against time as more gruesome bodies are discovered. Could Dr Mathilde (Laura Morante) uncover the real secret she is hiding?