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 abduction 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...