Watch Mystery Range (1937) Official Trailer

Cattlemen's Protective Association agent Tom Wade masquerades as outlaw Luke Bardes, hired to help Jed Travis persuade his niece Jennifer to sell him her ranch at a ridiculously low price, enabling him to turn a huge profit when the railroad has to buy the right-of-way through his property. Tom finds himself in big trouble when Bardes breaks out of jail and shows up at the ranch with a few of his rough-and-trouble companions.