
Casey's employer, the Midwest & Central Railroad faces bankruptcy unless it gets a U.S. mail contract for the St. Louis to Ft. Worth run. The catch is that the company that gets the contract must win a train race. The MCRR's track runs through the Ozarks, but Casey still thinks his engine, the Cannonball, is faster than his competitor's, but the Southern & Panhandle Railroad, the rival company, sends saboteurs and gunmen to slow his progress.
Casey's employer, the Midwest & Central Railroad faces bankruptcy unless it gets a U.S. mail contract for the St. Louis to Ft. Worth run. The catch is that the company that gets the contract must win a train race. The MCRR's track runs through the Ozarks, but Casey still thinks his engine, the Cannonball, is faster than his competitor's, but the Southern & Panhandle Railroad, the rival company, sends saboteurs and gunmen to slow his progress.
At an Army outpost, a tough and by-the-book Colonel Bullock, determined to eliminate all Indians, threatens to have two Indian braves executed. As a result, a Sioux war party launches an all out attack on the outpost.