Following on from the universe first seen in Harry Turtledove's How Few Remain, the world has arranged itself into major power blocks that sound familiar to our ears, but with new players: the Entente Powers; the British, the French, the Japanese and the Confederate States of America; and the Axis Powers; the Germans, the Austro-Hungarians, the Ottomans and the United States of America.

Both sides must find the strength to fight their enemies in a struggle to the death...