During the Ming Dynasty, the emperor sets out for Xinjiang to advocate peace. Shortly after his absence, mysterious occurrences plague the palace and Daoist Tian Mu Tong (Zhang Xiao Chen) is called to cast out demons. Together with eunuch Xiao Mo Gu (Zhang Hao Ran) and Jin Yi Wei leader Yun Xiang Rong (Lu Qing), Mu Tong uncovers deep dark secrets and conspiracies hidden within conspiracies.