The daughter of Chen Lun, the right minister of the Great Zhao Dynasty, the sister of the crown prince Chen Shishan, and the sister of the crown prince's side concubine Chen Shiyan. After Chen Shilin entered the prince's palace as a side concubine, she was favored by the prince, but unexpectedly found that she was the substitute for the prince's true love. And who is the promise? Where are you now? Why did you leave the prince? She was filled with doubts. As the investigation deepens. But she gradually uncovered a shocking secret!
Although the protagonist of this story is Chen Shilin, the entire story revolves around the character Xu Nuo. In Chen Shilin's continuous investigation of Xu Nuo, it also involves the grievances and resentments of the palace, house, court and the older generation.