When an alien artifact is discovered, a team of astronauts embarks to investigate its origins.
Three scientists must find a way to finish their space rocket and get it into orbit.
Aspiring to be a famous bounty hunter, Cass Bunning instead finds trouble in Silver City and after a run-in with the notorious outlaw Jesse James (Audie Murphy) meets an untimely end while facing the James Bandits in a final showdown.