After a riding accident leaves Sybil's brother, Ash, physically and emotionally devastated, she breaks off a courtship to devote herself to his care. Unfortunately, the one girl who could save Ash from his increasing melancholy has been whisked off to London by her ironfisted guardian. When a handsome stranger offers Sybil his help, she dives headlong into a clandestine scheme fraught with danger. As a daring rescue unfolds, deceit and mysteries are brought to light, the bonds of friendship are tested...and passion is unleashed. Can Sybil manage to save her brother without losing her heart to a man she cannot marry?