A series of shocking, grisly murders take place in a small French village amid a mountainous landscape. Simultaneously, several children have gone missing, one of them turning out to be the son of a couple who have become the latest victims to have met their end in spectacularly gruesome fashion. Turning up on the scene to investigate if the missing children could be linked to a series of abductions across the country is police captain Franck, turning up at the same time as big city detective Elisabeth who has been called into investigate the murders. Despite bristling against each other, and the resentful small town small police force, they find their investigations melding together when they discover the local legend of a monstrous figure who feeds on the souls of the dead.