In a magical world rife with undercurrents, Jin Ying, a slave with the power to control shadows, is put up for auction as a “commodity” and bought for a fortune by the mysterious noble Chi Yuan. From then on, she is subjected to endless torment, cruelly “tamed” with blinding light magic, yet she never lets the spark of rebellion in her heart die. When torrential rain pours down and the forces of darkness quietly awaken, she turns her shadow into a blade and fights back against the odds. In this suffocating confrontation between life and death, what secrets lie behind the struggle between master and servant? The wheels of fate have begun to turn, and a greater storm is gathering in the darkness…