On her wedding night, she was forced to marry the perverted prince instead, and everyone in the house was waiting to see her die without a burial place. Shen Yunjie, the fallen daughter-in-law, was originally an abandoned son of the family, but she used her photographic memory and ability to read subtle expressions to set up traps in the man-eating prince's mansion. Hypocritical biological father, snake and scorpion stepmother, vicious concubine, smiling mother-in-law, everyone wants to use her as a pawn, but she insists on overturning the whole game. Until Xiao Duo, the crazy criticizing regent, targeted her, robbed her by force, and tested her step by step. She took advantage of his influence to enter the court, but he wanted to tame her and become a caged bird. But what Shen Yunjie wanted was never favor, but authority. When the storm breaks out in the palace, who is the real chess player?