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.

A Stumped insurance company is forced to re-hire the most expensive, most big-headed, but best arson investigator to solve a string of major losses.

Hard-boiled, virile tale of outcast pilots stuck flying dangerous missions over the Andes.