Strange phenomena frequently occur in Tiandu City, and wizards come from all directions to try to find the truth. In the process of searching for the truth, Yin Yang Master Qingming (played by Mark Chao) meets the warrior Boya (played by Deng Lun), the wizard Takiya (played by Chun Xia), and He Shouyue (played by Wang Duo), and the four decide to join forces to investigate. Deep in the palace, the princess (played by Wang Ziwen) carries a huge secret and is deeply trapped in this mystery...but she never expected that there is a sad past hidden behind it. A crisis is quietly approaching. At the critical moment, some people fight for their confidants, some for their loved ones, and some for the peace of the world. In order to protect the ones they love, everyone fights to the death...