Major Murphy, a US Army Investigator, has received a new assignment. Sgt. Gammon is suspected of dealing cocaine from his base, and Murphy must gather enough evidence to shut down Gammon and his entire operation. Along with his partner, Lt. Andrews, the Major goes undercover to infiltrate the gang and find out just how far up the chain of command these activities are going.

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.