Tom Cameron learns that his twin brother is with a group of German spies. They intend to thwart the government's efforts to round up horses for military service.
Includes: The Lone Rider Rides On, The Lone Rider Crosses the Rio, The Lone Rider in Ghost Town, The Lone Rider in Frontier Fury, The Lone Rider Ambushed, The Lone Rider Fights Back, The Lone Rider and the Bandit, The Lone Rider in Cheyenne, Texas Justice, Border Roundup, Outlaws of Boulder Pass, Overland Stagecoach, Wild Horse Rustlers, Death Rides the Plains, Wolves of the Range, Law of the Saddle, Raiders of Red Gap
