In a Moslem-free universe where Constantinople never fell, the Byzantine Empire haws not only survived but flourished, developing technology at an earlier date than inour universe, and spreading its power and influence throughout the world. But Byzantium has enemies who are jealous of its glory and would like nothing better than to bring it down and loot its treasures. Basil Argyros, Byzantium's top agent, has his hands full, thwarting un-Byzantine plots and making the world safe for the Byzantine Empire.