August 1944. With the American Eighth Air Force poised to strike over Nazi Germany, British Intelligence learns that they could be flying into a deadly trap. With only hours to spare, Flight Lieutenant Edward Barnes must fly a life and death mission over Berlin in his unarmed Spitfire to obtain photographic evidence and save the lives of 1200 men.。人类创造了一种被叫做drone的机器人,它们没有感情,没有恐惧,也感受不到痛苦,人类用它来保护自己,以维持永久的和平,没想到结果却被它们反过来摧毁的所剩无几。幸存的人们必须想尽办法打败drone,重新夺回对这个世界的控制权。。