The female protagonist is a weak princess of the Southern Zhao Kingdom, but her true identity is the top agent of the "Jinghong" organization. The male protagonist is the regent of the Northern Lin Kingdom. She is powerful, cold and violent, and has absolute influence on the emperor and government affairs. His true character is extremely sinister, he has insight into people's hearts, and he enjoys the fun of being a "chess player". The male protagonist has long guessed the female protagonist's identity through the intelligence network. For him, the whole story is a large-scale "treasure identification" and "taming" game.
