After the events of the night of the Red Moon and the tragic battle in the Castle of the Moon, what King Emil Solerian wants is peace between Ilarya and Alariel. Although the grudges and prejudices of a millennium are not easy to heal, Emil is determined to do his best with a new Treaty that achieves a harmonious coexistence. However, first he must deal with something more urgent: the Lestra rebels, who are willing to commit unimaginable atrocities in order to overthrow what they consider a false king. Emil will travel in the company of his friends to dangerous and distant places to understand the origin of the rebellion. Will they be able to prevent the coming war? What will they be willing to sacrifice to get to the truth of what is hidden in the nation of the sun and the kingdom of the moon?