650 AD. Second year of Emperor Gaozong's reign. Several corpses were found in the ninth-floor demon building in Liangzhou Prefecture of Western Regions. A mysterious force constantly dominates this terrifying forbidden place.
During the Republican era Pan Shizue, young lady from rich family,, is haunted by a demon and has no choice but to invite Taoist master to perform a practice to drive away the fox demon and cheat the fox demon by matching a paper man with a fake marriage. After the marriage with Pan Shizue her fake groom Zhang Shaofeng commits adultery and is caught in a hurry, he hides in a magic house and accidentally unseals monster