Jiang Han and Jiang Xue are twin siblings who look exactly alike. The emperor decrees that Jiang Xue marry into a prince's household, but she refuses and elopes with Lian Ye, a male entertainer. To protect his official position, Jiang Han's father produces a Xuanyuan Pill and forces Jiang Han to take Jiang Xue's place in the marriage. Jiang Han
tries to bite through his tongue to kill himself, but fails. His father then fabricates a story that Jiang Han has died.
After taking a Xiangsheng Pill, Jiang Han's body becomes female, he loses all his martial arts abilities, and the imperial physician diagnoses him as infertile. Jiang Han seizes the opportunity to suggest that the prince visit someone else's chambers. The prince storms off in anger, but keeps the matter under wraps.
The prince grows increasingly cold toward him. Jiang Han has fallen in love with the prince without realizing when it happened, but cannot tell him that he is a man. He is accidentally framed by the prince's concubine, Lady Lan, and the prince grows to loathe him even more. Heartbroken, Jiang Han flees the prince's household and hides in the mountains. His sorrow makes him ill, and he grows thinner by the day until his eyesight begins to fail. The only person by his side is a woman named Yu Nu.
Yu Nu is tender and attentive, considerate and well-mannered. The two are perfectly in tune with each other.
7 The prince happens to pass through a market and mistakes Jiang Xue for Jiang Han, bringing her back to his residence. When he learns the truth, he is consumed with regret.
One day, the prince searches the mountains and finds the two of them being inseparable. Jealousy stirs in his heart...
Theme: Love knows no gender.
