Chris Colt goes undercover at a prison in order to help three prisoners escape. The three had robbed a government shipment of half a million dollars in gold. The robbers were caught but won't reveal where they hid the gold. The plan is for them to lead Colt to the gold after he helps them escape.; A trio of confidence men are running a racket where they get gullible men to invest in a phony silver mine, then fake an argument and murder so that the frightened investor will flee without his money. Chris goes to Silver City in his role as a Colt firearms salesman to see if the outfit will pick him as their next victim.; While riding in a stage, Chris Colt recognizes a fellow passenger is the bandit Don Diablo and tricks the bandit into letting him look at his gun.