Under the coercion of her aunt, the concubine Su Qingwan married into the sinister Zhenbei Prince's Palace on behalf of her eldest sister who had escaped from marriage, in order to send a "blessing" to the rumored king of Zhenbei, who was paralyzed in bed and had a violent temper. On their wedding night, Su Qingwan accidentally discovered that Pei Ji's disability was fake and he was secretly planning something big. In order to save her life, she made a deal with Pei Ji: she used her wisdom and methods to help him block the back house's overt and covert attacks, and clean up his eyes, while he protected her.
