An evil gang is involved in both cattle rustling and the robbing of stagecoaches. Hoppy must stop them without help from the sheriff who turns out be a major outlaw himself.
The conflict between a railroader and a stage line owner is being aggravated by bad guys who are sabotaging both sides. Roy and Gabby mediate the conflict and expose the bad guys.
Jack has been called in to investigate stage robberies where the stolen gold bullion mysteriously disappears, He finds the Professor, an elderly ex-con, and convincing him they used to work together, gets the Professor to get him in to the gang. Now posing as an outlaw, he learns what the Professor...
Cheyenne Harry tries to help his outlaw friend Padden evade arrest after Padden has drunkenly shot another man. In the end, the two mismatched friends fight it out, leaving Padden dead. In a romantic subplot, Harry's fiancée Alice leaves him, but finally returns.