Chief Inspector Elisabeth Guardiano (Virginie Ledoyen) is sent to the remote mountain village of Roquenoir to investigate a gruesome double murder. At the same time, Gendarmerie Captain Franck de Rolan (Paul Hamy) arrives in the small community to investigate the aBlu-rayuction of several local children. There is nothing to suggest a connection between the cases. But then Guardiano and de Rolan come across the ancient legend of the Soul Eater...