Kim's group, still stranded halfway across Antares, must get back to the base camp through a journey filled with deadly encounters. Meanwhile, at the base camp, a trip to the neighbouring planet - source of the strange ray that vaporised Kim's daughter - is being organised. The prospect of meeting an intelligent species, though, drives the religious fanatics in charge to clamp down on any person or activity deemed rebellious. As if a hostile world isn't enough, the colonists have brought their own worst enemy with them...