In order to inherit her grandfather's legacy, the orphan Su Wanqing disguised herself as a man to participate in the imperial examination and became the first female number one scholar in the Yan Dynasty. She was appreciated by the emperor for her medical skills in the court, but she was trapped in the whirlpool of power. Lu Jingran, the scout, saw through his identity and guarded him secretly. When the secret was exposed, causing shock in the government and the public, Lu Jingran abandoned his official position to protect each other. The two joined hands to fight against the shackles of the world, and finally broke through the prejudices, and together they composed a legendary love song of counterattack and benevolence as a doctor.