Sarah Wagner has always dreamed of having a horse of her own. When she manages to keep a runaway school horse from hurting himself and others, Sarah captures the attention of the owners of Brookmeade Farm. Suddenly, she finds her dream finally coming true with the gift of the racetrack rogue, Crown Prince, but keeping the beautiful and talented troublemaker proves to be a challenge. Sarah must convince her parents her new horse is safe to ride, and at the same time find a way to keep Crown Prince's former owner from taking him back. The cantankerous barn manager at Brookmeade Farm makes things difficult, and a jealous rider's attempt to sabotage Sarah's horse comes to a deadly conclusion. This is the story of one girl's determination to keep the horse she loves when the odds are stacked against her.