Many years after a nuclear war has ravaged the nation, small colonies have survived fall-out. But, a threat has come to the quiet hillsides. A government experiment gone wrong has begun to show its face in the form of senseless attacks and kidnappings. Kai is the daughter of the chief of Red Sky, a prominent trade colony. When rumors reach him that she may be a target, she is forced to set out on her own across the landscape. Finding the company of a thief and an exiled murderer, Kai must warn the other colonies and discover the secret behind what threatens the world she knows.