Only you can save mankind. Through brute force, a species of unknown origin known only as the Chimera have conquered Asia and most of Europe in mere decades during the early 20th century. Recognizing the potential for humanity's total annihilation, the United States supports the British Resistance in a European counterattack. The story follows Hale, a US Ranger, as he struggles for survival and desperately seeks a means to eliminate the Chimeran blight.