Western Pyrenees, year 778. When his land is threatened by the ruthless armies of the Frankish emperor, a Basque warlord asks for help from his ancestral gods.

French Basque Country, year 1609. The men of the region have gone to sea. Amaia participates with other girls of the village in a coven celebrated in the forest. Judge Rostegui, who has been charged by the king with ridding the country of the devil’s wiles, arrests them and accuses them of witchcraft.