Chen Fan, the king of Northern Liang, was a medical legend who had retired from the world and reappeared in the world due to the death of his wife, Ye Qingwan. In order to save his sister's life, Ye Qingwan was persecuted by a powerful man, Yang Kai, who committed suicide. Chen Fan vows to avenge his wife's death and uses his medical skills and intelligence to investigate the truth. In the course of investigation, he finds that Ye's little sister is also in danger, coveted by Yang Kai because of her special physique. Chen Fan has to face Yang Kai's cunning and guard his sister at the same time. With his extraordinary medical skills and superior wisdom, he navigates through the thick and thin of the jungle and eventually uncovers the truth, avenges his wife's death, and protects the one he loves. Chen Fan's bravery and determination won the admiration of everyone and became a legendary story in the jianghu.
