Si Yunqi, on the surface, looks like a wealthy daughter who is frail and sick and needs to rest all year round. She has a beautiful and refined appearance and a fragile temperament, but in fact, she is thoughtful and profound, and secretly controls the "top secrets" that can subvert the power structure.
There is a contrast between her sickly disguise and her sinister nature. Under the shackles of being "protected," she needs to use her wits to deal with all forces, protect secrets, and gradually regain her own initiative.
