Gene and the boys arrive at their new ranch to find themselves in the dairy business instead of punching cows. They soon become victims of Doc Blair's outlaw gang that is keeping all milk shipments from reaching the market. Gene eventually learns that Blairs's men get their instructions in code when his medical bulletins are read over the radio. Gene obtains the code and hopes a false message will lead the gang into a trap.
Colorado Sunset
Gene and his buddies discover that the ranch they bought is really a dairy farm. And worse, it's subject to intimidation from a protection racket that prevents dairy products from safely reaching the market.