Fate had marked them out since before their births, but they had to experience the death throes of their whole world i before understanding their mission. Now their moment has come. In a merciless war, where the two armies are no more than puppets at the service of the ambition of a cruel emperor, they learn how to find their luck in misfortune, friendship in betrayal, love in injustice and their weapons in magic. Their goal is to recover the inner beat of the world: the heart of jade.