What was once thought to be inconceivable happened: nuclear war between the United States and North Korea broke out. What started out as one nuclear warhead striking a strategic U.S. territory escalated into Armageddon. Across the world, nations exchanged fire, creating an irradiated wasteland in the entirety of the northern hemisphere. Nearly 2000 miles from any loved ones, Shawn Derry watches the bombs drop on the television, from the comfort of his home. He must now navigate World War III, and its new set of rules and players. What will he do? How will he be able to survive on his own in the small window before nuclear winter sets in?