Great Britain. July 1951. Three years ago, Russia went dark. Nothing got in. Nothing got out. The world assumed it was political strife. But it was the Chimera: voracious extraterrestrial invaders. And in December 1949, they burst across the Russian border and poured into Europe. The luckiest humans died. The less fortunate succumbed to an alien virus–and changed. Within a year, most of Europe had fallen. Only Great Britain, after struggling desperately, had kept the conquerors at bay. But as the Chimera were repelled, they were evolving. Building. Planning. America. November 1952. The Chimera have crossed the Atlantic. Their lightning strikes on American borders are devastating. Cities are lost. Small towns overrun. Citizens transformed into monstrosities. Enter...