Thanks to suspended animation, Turtan is over 3500 years old and travels on freeze ships to distant worlds. His mission is to investigate weapons that will help humanity turn the tide against their ancient nemesis...the Cenknife. Vicious aliens, the Cenknife seek to conquer the universe and enslave humanity. In his quest to find such a weapon and save billions of lives, Turtan discovers overwhelming obstacles, some of which exist within himself.