The story begins in Lin'an, the capital of the Yan Dynasty. Su Yao, the daughter of the guilty minister, works anonymously as a medical woman in a medical clinic. One day, Su Yao accidentally rescued the injured prince Xiao Yichen. Xiao Yichen was attracted by Su Yao's kindness and bravery, and the two gradually fell in love.
However, as they get along, Su Yao discovers that Xiao Yichen's family is the culprit that led to her family's crime. Su Yao is caught in a painful struggle. On the one hand, she cannot let go of her love for Xiao Yichen, but on the other hand, she longs to avenge her family. Xiao Yichen also fell into a dilemma after learning Su Yao's identity.
The conflict continued to escalate, and various forces in North Korea and China began to put pressure on them. As the climax approaches, Su Yao decides to leave Xiao Yichen and look for opportunities for revenge alone. Xiao Yichen was in great pain, but could not let go of his family responsibilities. In the end, in a political struggle, Su Yao almost died trying to save Xiao Yichen. Only then did Xiao Yichen understand that love is more important than everything else. They put aside their hatred, walked away from each other hand in hand, and started a new life.
Su Yao was determined to take revenge. She disguised herself as a man and sneaked into the officialdom of the capital under a pseudonym to secretly collect evidence. During this period, she encountered many assassinations and frame-ups. In a conspiracy, Su Yao discovered that the mastermind behind it was actually the current favorite concubine, who framed the Lin family for family interests.
Just when Su Yao was about to get close to the truth, she unexpectedly saw Lin Yu in the enemy camp. He was not dead, but was beyond recognition due to hatred. He sided with the beloved concubine and helped the evildoer. This is the climax of the story, Su Yao is heartbroken and confronts Lin Yu, trying to wake him up.
But Lin Yu didn't listen and instead attacked Su Yao. On the edge of life and death, Su Yao expressed her deep feelings for many years, and Lin Yu began to waver in his heart. Finally, in Su
