Capturing and breaking wild horses is a tough way to make a living. But Montana ranch owner, Ethan Miller's problems are just getting started. First the buyer he has for his herd falls through. The only other outlet he can find is the US cavalry. That means driving 200 horses all the way from Bozeman, Montana to Fort Davis, Texas. No sooner has he made the dangerous trek than one more obstacle presents itself. The fort's commander needs Ethan's help...