In her previous life, she was Liu Wanyan, a medical fairy who cared about the common people, and he was Yuanze, a tyrant who killed decisively. In order to quell the war, Liu Wanyan pretended to betray Yuanze and handed him the poison with his own hands. Yuanze died with hatred and vowed before his death to make her life worse than death. Although Liu Wanyan saved the common people, he was cast aside by the world and died in depression. The two of them were reborn at the same time and returned to the time when they first met. Full of hatred, Yuanze wanted to imprison and torture her immediately, but found that Liu Wanyan in this life was no longer compassionate, but had become "selfish" and ruthless - she no longer saved those ungrateful people, and would even offer exorbitant medical fees with a smile when her enemies came to ask for help. Yuanze's revenge plan was disrupted time and time again. He found that he could imprison her people, but he could not see through her heart. It wasn't until those misunderstandings in her previous life were revealed one by one that Yuanze realized that the infamy she had suffered back then was all to protect him. When foreign enemies invaded again and the civil and military forces of the Manchu Dynasty forced Liu Wanyan to make peace with her, the tyrant who once hated her to the core stood at the gate of the city with his sword in hand and said to the millions of troops: "She is my life. Whoever dares to touch her, I will slaughter his country!"