Cui Dongchen

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

Professor Xu and Liu Tong are ordered to protect the tomb. While spying on the grave robber Lu Daocheng, they accidentally befriend Su Yuehong, Lu's daughter-in-law. At the same time, they discover traces of Japanese tomb robbers. Faced with the two forces, Liu Tong and Professor Xu struggle to protect the tomb with the help of Su Yuehong.

Assigned to investigate various regions in Jiangnan, Detective Di Renjie becomes entangled in the mysterious disappearance of a young girl in Lin'an City. His inquiry uncovers connections to a local cult rife with debauchery and a web of intricate, puzzling clues. As a sinister monk's presence looms, Di Renjie uses his remarkable intellect to unravel the complexities of the case, inching closer to the truth in a thrilling clash between justice and evil.