Happy-go-lucky aspiring sportswriter Lon Decker from Indiana who has aspirations of becoming a sportswriter meets the shrewd and larcenous old man, "Mac" Dougal during his wandering. Mac likes to ensure his bets on Quarter-Horse races by doping a horse or two here and there. When Lon finds out Mac intends to fleece wealthy rancher Zelda Bagley he sets out to stop him.
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