He Huaian lost her mother in childhood and was entrusted to the neighbor siblings Qi Zhaozhao and Qi Yu. To gather medicine for the seriously ill Qi Yu, she encountered human traffickers, and Zhaozhao was abducted and went missing while saving her. After ascending the throne, Qi Yu brought her into the palace, torturing her for three years under the pretext of paying with her life. In the neglected side hall, she came to know and fell in love with the eunuch Changying. Qi Yu bestowed a marriage to marry her off to Changying as a humiliation, not knowing she had long been fond of him. On the wedding night, she was abducted to the dragon bed and later conceived a dragon heir. To save Changying, she was forced to be trapped in the deep palace, growing delirious day by day. Qi Yu finally understood his feelings amidst intertwined love and hate, but could no longer keep her.