Earth devastated by several thermonuclear conflicts. Continents are turned into scorched deserts dominated by bands of raiders. The few safe fortresses are controlled by the inhabitants of orbital stations selling technology to a select few. The scariest gang moves from the desert, robbing and killing. One of the cities is on its way. The baron who rules him is ready to take the toughest measures for defense, and the mercenary detachments guarding him are no better than ordinary criminals.