During the second year of Yuanhe, Han Yuling found a boy surrounded by a group of men in black while collecting herbs in the forest. She didn't want to get involved, but on her way home, she saw the boy passed out on the side of the road. As a doctor, it is her duty to save lives and heal the wounded. Finally, there was no choice but to take him back home. After curing the boy, Han Yuling lived with the boy for a few days, and the two were very happy. However, who would have thought that one day, the boy would suddenly leave Yu Ling. Yu Ling didn't know what the boy's past was like, nor what would happen to the two of them later. She just wanted to find her childhood playmate, but it triggered a love-hate relationship...