As the youngest female medical officer at Taiyuan Hospital, Yun Zhixia has a clear life plan: treat illnesses and save people, save money for retirement, and retire safely. Until an order was issued, she was sent to extend the life of the seventh prince who was terminally ill and forgotten by His Majesty in the cold palace. Everyone in Tai Hospital looked at her with sympathy: Doctor Yun, this is a desperate job. The seventh prince, Li Yan, was rumored to be born with a weak body and ignored medicine and medicine. He was the "unlucky man" who walked around the royal family. When Yun Zhixia saw him for the first time, the young man was curled up on the couch, coughing as if he would break into pieces in the next second, and his pale face was lifeless. But she only used three silver needles to find out the truth - this was not a disease, but a chronic poison that had lasted for ten years. Good news: She can cure the poison. Bad news: The main ingredient of the antidote is only available in the legendary "Famous Doctor Valley". Moreover, the poisonous black hand has regarded her as a thorn in his side and wants to get rid of her quickly. In order to save her life and job, Yun Zhixia had no choice but to bite the bullet and take the sick prince on a journey to find medicine. She thought she was carrying a tart, but she didn't expect that when this sick beauty lifted the quilt, she was revealed to be the king of white and black tricks. In the past, there were killers sent by the prince to chase and block him, and in the later, there were local bureaucrats who were willing to work against him. Yun Zhixia holds a silver needle to save lives and heal the wounded, and also cuts open the abscesses of conspiracy. Li Yan coughed lightly, pointed out the situation, and manipulated the enemy into the palm of his hand. He said: "Medical Officer Yun, you protect my life, and I will protect your safety." Later, when he put on his dragon robe and held her in his arms, he whispered softly: "Zhixia, these thousands of miles of land are here to hire me, are you willing to be my 'medicine'?" Yun Zhixia: