The narrative follows a young hunter who journeys into the western foot-hills to collect specimens for a university museum, joining a fort’s community and outfitting for an expedition. He faces homesickness, meets companions including Tom Preston and Big Thompson, selects mounts, hunts game, tracks predators, and confronts rustlers and rival hunters, leading to captures, narrow escapes, and a climactic showdown. Scenes alternate between camp life, frontier sports, and tense pursuit, while themes of self-reliance, growing maturity, and loyalty to friends emerge amid vivid descriptions of the landscape, hunting technique, and frontier social dynamics.