The young woodlander Vesper (7) and his brother Or (14) get involved in the biggest war their world has ever seen when the leader of a mysterious invasion power (called Tarealar) intrudes into their hut in the middle of the night to claim Vesper as their god. While their fellow villagers do everything they can to free the abducted brothers and their mother, Vesper feels increasingly guilty about the destruction of his world. Is he responsible?