Every Northman who has seen thirteen winters must offer the first sacrifice to the gods and receive their grace: an unprecedented strength. Kai, the son of Erling, is sure that—of course—he will be noticed by the gods, because up to now he has been the strongest and bravest among boys. Besides, his father prepared not a goat and not a pig for the sacrifice, but a slave.
But something went wrong, and Kai becomes an outcast among his former friends.