This is a legendary story about the Tao Te Ching. After 2500 years of circulation, there are now many versions of the Tao Te Ching. Many versions have different content. Where is the earliest book? What is the true content of the Tao Te Ching? This novel explains the true Tao Te Ching through the eyes of a Taoist. The author is also an inheritor of Taoist martial arts.