US marshals Ken, Hoot, and Bob thwart a gang of robbers disguised as Native Americans, foiling their attempt to steal the stagecoach. After receiving repairs at the relay station, they narrowly escape a second ambush. Upon arriving in town, they search the stagecoach only to find nothing, but a surprising discovery awaits them - diamonds hidden in the axle grease. Polini plans to cut the diamonds into smaller pieces to conceal their value.
Arizona Whirlwind
Undercover as telephone linemen, Hoot Gibson and the Trailblazers expose a banker's role in a massive counterfeiting operation.
