Based on a Basque folk tale, ‘Patxi herrementaria’, collected by priest, archaeologist and anthropolBased on a Basque folk tale, ‘Patxi herrementaria’, collected by priest, archaeologist and anthropologist José Migel de Barandiarán in 1903, the story is set in the Basque region in 1845, in a universe inhabited by mythological diabolic creatures, battling to capture the souls of the unwitting.