Faced with a dwindling land mass to patrol, the US deputy marshals have concentrated the outlaws into the twin territories, Oklahoma Territory now given over entirely to white settlers and Indian Territory still inhabited by the original tribes. In this third book of the They Were Lawmen trilogy, Charley and Abe Barnhill struggle to keep white gangs out of their area and to adjust to the onset of a culture bent on wiping out tribal rule. Dragging in more and more criminals, the deputies find the Fort Smith jail bulging to the seams. Who will persevere in the struggle? Each man faces a moral choice that puts their lives and careers on the judgment seat of progress. The 20th century is fast approaching, and what changes will it bring?