The story tells about Hua Minchu, a student who returned from studying abroad, who unexpectedly met a group of strange people who called themselves the Eight Lines, and became their leader by accident, and began to work hard to disband the Eight Lines and seek the right path. In the story, Hua Minchu, together with the straightforward and mysterious Yi Yang Master Xishui and his family sister Zhong Yao, encountered one dilemma after another, and worked together with the Eight Lines to fight against the conspirators' shocking mystery.