Following an apocalypse, a strange and rationless Earth emerges divided into three isolated zones, each assuming its own particular character, but when a deadly plague called the Red Shadows threatens civilization, the people of the zones must reach out to each other to develop a cure.

Following an apocalypse, a strange and rationless Earth emerges divided into three isolated zones, each assuming its own particular character, but when a deadly plague called the Red Shadows threatens civilization, the people of the zones must reach out to each other to develop a cure.