Lady Amelia Pierce has a forbidden dream: riding in equestrian competitions. When she loses a family ring in the stable, her brother finds her foraging for it in the hay with Lucas Grey, a duke's bastard son. Amelia's outraged father sends her to London to salvage her reputation and find a suitable match. Despite his ignoble birth and rakish reputation, Lucas is much admired for his management of Winston Equestrian Stables. He and Amelia are fascinated by each other. But the missing emerald ring and a viscount's greed lead to disaster and imprisonment for Lucas. Will scandal and secrets keep him from Amelia forever?