Chris hates the fact that his father buys horses to sell for meat, and when the new purchase is a beautiful mare with some unusual characteristics, Chris is determined to rescue the horse from death.
Searching the amusement park for a pony only Susan has seen, Susan and Kent track it to the Tunnel of Terror. As they realize the pony is trapped inside, the train begins its test run.
Relates the further experiences of the wild stallion, Dragon, whose unhappy life in captivity begins to change when he is befriended by a fourteen-year-old-boy. Sequel to "A Horse Called Dragon."