Lin Han, the successor of the miracle doctor's sect, was ordered by his master to go down the mountain and lived in his father-in-law's family for three years, where he suffered all humiliation. When his master's family was suddenly destroyed, Lin Han learned that it was his old enemy who had done it. On the way to avenge his master's family, he discovered that behind the massacre, there was a mystery about the ancient inheritance of traditional Chinese medicine - an "Ancient Medical Classic" that could understand life and death and reverse yin and yang. At the same time, he must redeem himself, protect the people he cares about, and uncover the truth behind his master's destruction.
