Regency England, August 1812- Sebastian St. Cyr's plans to escape the heat of London for a honeymoon with his new bride, Hero Jarvis, are shattered when the murdered body of Hero's good friend Gabrielle Tennyson is discovered drifting in a battered boat at the site of a long-vanished castle known as Camlet Moat. Missing and also presumed dead are Gabrielle's two young cousins. Still struggling to define the nature of their new marriage, Sebastian...