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The accidentally heroic and chronically inept Wilton Parmenter is given command of Fort Courage, Kan., a dumping ground for the Army's least useful men, at the end of the Civil War. There, he contends with the illegal business enterprises of crafty Sgt. O'Rourke and the local Indians, occasional mock (and even more occasionally real) battles, and the romantic attentions of Wrangler Jane Angelica Thrift.