Against the background of Bianliang City in the Northern Song Dynasty, the film tells the story of the demons of the Kaifeng government in the Ming Dynasty and the secret demon case in Kaifeng. The dark tide in Bianliang City is surging, and the evil cult & ldquo; is out of the ninth stream & rdquo; is rampant. The sudden murder outside the city was explored by Zhanzhao, which was originally caused by the ninth-rate ldquo; & rdquo; demons. Zhan Zhao took his female captors to the ghost market in exchange for magic weapons, which attracted demons and subdued the criminals. The matter is not so simple, in fact, & the actor of a thousand faces in ldquo; & rdquo; has quietly changed his appearance, lurking around Bao Zhengzhanzhao, and stretching out his claws. What is the truth? Let's find out in the play.