It is the year 2020. The United States has been a contributor and Victim of Nuclear War. 17 year old Henry Cooper was ordered underground by his father, Political Activist Gabriel Cooper. Before Henry's rushed departure from his father, Gabriel gave his son a letter which contains the coordinates of where they will meet two months from now. Underground is the only place safe from radiation above. On the surface, most survivors resorted to cannibalism. Henry travels through the ruins of the world to find his father.