After the disappearance of his parents, Chen Ge inherits the family-run haunted house attraction at an amusement park. Struggling to bring in customers, he discovers a black phone that grants him the chance to improve his haunted house with expanded scenarios, mastery of skills, the possibility of inviting supernatural inhabitants, and even clues as to what happened to his parents—but first, he must complete terrifying and dangerous haunted quests within 24 hours.

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The hearse with the weird odor slowed to a stop before the entrance. The sound of pebbles could be heard bouncing on the ceiling. There were footsteps coming from the corridor, and there seemed to be someone sawing next door. The door knob to the room rattled slightly, and the faucet in the bathroom kept dripping even though it had been screwed shut. There was a rubber ball that rolled on its own underneath the bed. Wet footsteps started to surface one after another on the floor.

At 3 am, Chen Ge held a cleaver in his hand as he hid beside the room heater. The call he was trying to make was finally answered. “Landlord, is this what you meant by ‘the house can be a little crowded at night’？”