The story of the finest, fastest pony in the herd. — Lightning loves to race. He soon learns to outrun all the other Indian ponies and horses of the plains and even to run faster than the train. His ambition is to race the lightning as it flashes across the sky. This is the story of a fleet, frisky pony, of the children who ride hip and of how -- when the lightning starts a prairie fire -- he gets his greatest wish.