With a mysterious voice warning them of dark times ahead Kol and Vasos must join with Sander and Sevrrir to find the missing shard of the heart of allegiance and receive the mark of the chosen, at the same time the others must embark on a quest to empower the son of Horus and get to the truth of who they can trust in the kingdom. With monsters watching them and evil demigods set to stop them they must uncover the mystery and nature of the new powerful evil.