Sun Mingyue, the eldest princess who holds great power, unexpectedly awakens to the power of reverse mind reading after Guo Po's death and returns to the eve of the palace coup. With her ability to see into people's hearts, she eliminates the traitors step by step. She also has to engage in an extreme brain game with Huo Wei, the "9,000-year-old" who is vicious on the surface but always thinks of sarcastic thoughts in his heart. However, through repeated trials, he gradually reveals the shocking secrets and affection hidden under his fake eunuch identity.
