Can love survive the fall of empires?

Anna and Theo have been promised to each other since they were children. They thought that they would always be together, but the tides of war have swept them apart. Whilst Theo finds himself at the centre of events in the epic struggle between the Empires of Byzantium and Persia, treachery results in Anna being condemned to the life of a concubine in a far-off land. Can they ever be reunited?