Ten years after fighting for the Confederacy in the Civil War, lifelong friends McCall "Mac" Patton and Ron "Sandy" Sands left Clay County, Missouri behind for another life adventure of prospecting for gold in the Colorado Rockies. Fate and destiny intervened and placed an old enemy Union Redleg Captain John Merna, in the path of Mac and Sandy. Follow Mac, Sandy, Keegan, and Hugo as they encounter renegade Union Redlegs, hostile Indians, sickness, tornadoes, and high mountain passes, as they travel "The Keegan Trail" across the plains of Kansas and Colorado to the far away Rocky Mountains.