In this science-fiction action opus, intergalactic extremist Alex Windham has seized control of Dome 4, a scientific outpost on another planet, after escaping from a penal colony on Mars. Windham is forcing the staff of Dome 4 to construct new weapons that he can use to destroy his enemies, but what he doesn't know is that one of his captives is the wife of interstellar lawman Chase Moran, and Mor.