In the magical world where undercurrents are surging, the slave Jinying, who has the ability to control shadows, became a "commodity" at the auction and was bought by the mysterious noble Chiyuan at a sky-high price. From then on, she fell into the endless torture of being cruelly "tamed" by bright light magic, but she never gave up the fire of resistance in her heart. When the heavy rain poured down, the dark power quietly revived, and she used her shadow as a blade to launch a desperate counterattack. In the suffocating life-and-death confrontation, what kind of unknown secrets are hidden behind this master-servant game? The gears of fate begin to turn, and a bigger storm is gaining momentum in the darkness...