Shen Zhiyi was originally the daughter of a guilty minister. She entered the palace as a maid incognito, just to find out the truth about her father's unjust case. After an accidental rescue, she attracted the attention of the evil emperor Xiao Mingji. He looked cold on the outside, but in fact he was careful at every step, dragging her into a vortex of intrigue. The concubines in the harem were jealous of her favor and repeatedly made things difficult and framed her; the powerful officials in the court regarded her as a thorn in their side, and secretly set up a trap to get rid of her. Shen Zhiyi relied on his extraordinary medical skills and wisdom to navigate the crisis-ridden palace, gradually uncovering the truth about his father's injustice, but also found that he had become the most important pawn on the emperor's chessboard. On the road of counterattack from a humble palace maid to a powerful harem, she and Xiao Mingji went from using each other to secretly falling in love, but they didn't know whether this feeling was sincere or calculated. A game about intrigue and true love begins...