The Ashir thought they were alone in the world - until the strangers came. The invading Thrain have weapons of strange metal and ride beasts never seen before, and it is soon clear they have come to conquer. Anyone who opposes them is killed. The Ashir realise that their only hope lies with one man. Kai, the kamachi, living servant of the Teacher God.Kai has never heard the voice of his god, as kamachi are supposed to do. He wonders if the god chose the right man to be his servant. But now he must stand up to lead the resistance, against a terrible enemy with no mercy in him.