Ten years after the tragic death of her son Esteban, Maddi meets Tom, a boy who bears a striking resemblance to him. Intrigued, she moves from her native Basque Country to the French Auvergne to be closer to him. She soon discovers that, in addition to the physical resemblance, Tom seems to have memories and visions connected to Esteban. When a series of murders shakes the region to its foundations, Maddi wonders: are these events connected to her son’s death? Who is Tom really and what is his connection to Esteban?