Troy is in crumbling ruin and Athens is rising far to the south. It is a time when mortal men and women are becoming gods and goddesses as news of their extraordinary adventures sweeps across the land. In this world, Epona, a woman whose life is celebrated in legend, meets Kazhak, a Scythian warrior and prince. Their stormy love affair sends them sweeping across eighth-century Europe, pursued from the Alps to the Ukraine by Kernunnos—a mysterious Druid priest known as the 'Shapechanger.'