In the tenth century, the center of the world is not Rome, but Byzantium - a glorious empire, upon which the sun never sets. Constantinople, the center of this mighty dynasty, is starting to unravel. The great kings and princes, the holy city, the affluence of the empire will be scattered to the winds. Attacked by the Turks on all sides, Byzantium looks to its emperor for deliverance. Leo Ducas, heir to the Byzantine crown, must fight for his inheritance, but he doesn't truly know who his enemies are. Shunned by the citizens of Constantinople, Leo flees the city and great works are revealed to him. He learns of a realm that falls outside his Christian training, a realm of magic and wisdom...