In the last decade before the ending of the period of time known as "B.C.", Rassan, a privileged member of the Parthian military due to his late father, is sent to stop HeadmasterMagi Vinda Farnah from entering Jerusalem. He comes across the Magi, near death from bandits. Vinda calls Rassan by name and tells him of an angelic appearance. This sets in motion a series of events marked by betrayal, loyalty, great discovery, and many obstacles...