Fleeing a painful past, Chloé starts a new life as a schoolteacher in the Morvan with her 8-year-old son Jules. Warmly welcomed by the village inhabitants, she falls under the spell of Mathieu, a charismatic and mysterious doctor. But terrible events disrupt the villagers’ peace: a child has disappeared and a wild beast is attacking livestock. Jules is on alert, he can feel it, something is lurking at night around the house.