Ancient book restorer Jiang Yan's left hand can save the thousand-year-old fragments of the scroll, but his right hand cannot suppress the residual image of resentment seen by Yin Tong——
> When the Southern Song Dynasty's "Building Method" leaked human blood, the real estate tycoon was hanged on the beam by the "Nine Death Knot";
> When the elevator in the Intangible Cultural Heritage Park turns into a "vertical burial coffin", the living people are crushed into mortise-and-tenon figurines;
> When the lead actor of the shadow puppet stage sheds his skin and becomes a puppet on the spot, the curtain reflects the blood talisman of the corner tower of the Forbidden City...
> The sins of the Xuanmen traitors have not been washed away. The evil craftsman Kuai Xiang of the Ming Dynasty used hundreds of living puppets to open his eyes and scream:
> "Tradition is dead, I will use magic to keep it alive!"
>
> Shen Hongli, a doctor of folklore, grabbed Jiang Yan's blood-stained collar:
> "Use Lu Ban's book to uncover the truth, or let the entire city be buried as an intangible cultural heritage?"
