In the troubled times of the late Qing Dynasty, young Zhang Wei waited for his father's body in a mass grave on a snowy night. He received his master's green cloth medicine bag and the medical book "Tian Hui" and embarked on the road to help the world. He established the Jishi Tang on West Street in Xi'an to treat the poor and sick, and take in orphans. In his competition with the Baicao League, he realized the true meaning of medicine that "a green bag is not a bag, but is passed down from the heart." He and Zhou Qingyi, a daughter of a wealthy family, knew each other and promised to protect the medical profession together. Faced with numerous challenges such as the "Black Water Fever" epidemic, the "Epidemic Ghost" conspiracy, and the rebellion of Prince Su's remnant party, they took "Tian Hui" as their soul and their benevolence as their sword. From Xi'an to Beijing, from the marketplace to the court, they integrated traditional Chinese medicine with Western medicine and established the Qing Medical College. Later, they established Qingnang Academy in Xi'an to train male and female doctors and pass on the "benevolence to help the world" approach. When the court fell into trouble and rumors spread, they opened up their accounts, invited people to supervise, and used actions to prove the doctors' innocence. The wedding of Zhang Wei and Zhou Qingyi actually turned into a battle during the plague, and they turned the wedding into a clarion call to save the people. After going through the test of life and death, they finally understood: Medical knowledge is not in temples or study rooms, but in your and my hands...
