Zhang Sheng, the top modern Chinese medicine doctor, was sucked into the troubled times of the Eastern Zhou Dynasty by the Sanxingdui bronze sacred tree overnight. Inspection, hearing, inquiry, and understanding were his method of cultivating immortality; silver needle prescriptions were his weapon that stirred up the Spring and Autumn Period and the Warring States Period for five hundred years. Healing people, healing the country, and healing the world - from Zheng Boduan to Changping Changping Tianqing, he saved "people who must die" one after another in the cracks of history books, only to find that the sacred tree was actually the stump of "Jianmu", the sacred tree that reaches the sky, and he was already the unknown doctor in the history books. On the day when the world was unified, when the foundation of three hundred years of prosperity was laid, he followed the path of the sacred tree and returned to modern times. A doctor can heal one person, but can he heal an era?
