Behind every yellowed old file is a bloody past.
The sealed architectural drawings of Nancheng No. 6 Middle School in 1999, the red costume dripping with water at midnight, the black and white photos that will never be completed...
As an archivist on the underground floor, Lin Mo's daily routine is to tinker with these piles of old papers. But she has a secret: she can see "regular lines" attached to dead objects.
When a fallen corpse broke the dead silence in the archives, the huge monster hidden under the calm surface of Nancheng finally showed its fangs.
The dripping middle-aged man, the mysterious short-haired woman, the missing previous administrator...
When taboos are touched, when rules are twisted.
Lin Mo clenched the bamboo knife in his hand and walked into the moonless night.
