The blood-red doorplate turns over every day, while sinister shadows lurk within the rules.
Seeking cheap rent, Li Ming steps into Anning Apartments, only to fall into a flesh-and-blood maze inside a living building.
The elevator paradox, a room inspection that means death, garbage neutralization... These absurd rules are the only way to survive.
When knocking sounds come from beneath the bed and the administrator approaches with a keyhole for a head, Li Ming realizes the rules themselves are lying.
The 404 brand on his left hand is seeping into his flesh. Is it a curse, or a key?
Among walls spreading with bloody mold, can he keep surviving, again and again?
