During the reign of Emperor Shenzong of the Northern Song Dynasty, Shi Jianwu, a disciple of his disciples, obtained the golden elixir, which allowed him to gain a glimpse of the secrets of heaven. Knowing that there was a change in the country, everyone came to the world to realize the Tao one after another. After some trouble, they realized that all the changes were caused by the "Xuanfei".
Concept: Any behavior is driven by desire, so there will be a fixed "cause and effect"