Liang Yuheng, a master of metaphysics in the city, meets Gu Lin, a police detective by chance. An ancient copper coin binds the two of them, and they are forced to step into a den of resentment where yin and yang alternate.
He has mastery of Chinese and Western mysticism and fortune-telling. He strictly follows logic and sticks to the fine line of life and death. The two heroes work side by side, traveling through the strange and resentful realm, overcoming adversities, hearts, and each other.
