Synopsis: Living with his family in the wild west, fifteen-year old Peter Lundy is kind-hearted and curious. After discovering that a shady trader has stolen horses from an Indian tribe, Peter returns the horses to the tribe's chief. In gratitude, the chief gives Peter a pony as a reward. But when his father sells his horse, Peter embarks on a quest determined to find it and along the way joins the Pony Express and becomes the fastest courier that ever rode the plains.