Synopsis：Ding Xuekun, the director of neurology at the Ninth People's Hospital, dies unexpectedly. Ding Yuanzhi, the son of a Western-trained elite doctor who studied abroad in Sweden, and Han Xilin, the son of a traditional Chinese medicine practitioner who has been overseas for years, return to the Ninth People's Hospital to jointly investigate the cause of death. It showcases the spirit of "medical benevolence" across three generations of medical workers, passing down traditional Chinese medicine culture from generation to generation, and the perseverance and growth experienced in the innovative process of integrating traditional Chinese and Western medicine.