Horus, a young child living in an undercover Scandinavian/Eastern Europe civilization of this Iron Age, recovers the Sun's Sword from the rock giant Maug and learns he must come back to his ancestral land. In the procedure, he uttered a village by the attacks of Grunwald, a warlord/ice fanatic and befriends the enigmatic Hilda, a lonely and beautiful girl who sings haunting songs (and that hides a terrible mystery ).