Like the Apollo 13 explosion, the disaster of an explosion which destroys a supply rocket journeying to the Swift Enterprises' base on the asteroid, Nestria, begins an exciting space adventure. The men on Nestria are marooned like Jim Lovell and his Apollo 13 crew. To rescue the men, Tom Swift mounts a space voyage to Nestria. A sinister enemy attempts to destroy Tom's mission by throwing up a deadly radiation field. Their purpose is to capture Swift Enterprises' base. How Tom and his crewmen outsmart the evil leader of the asteroid pirates, Black Cobra, is a compelling tale.