Unemployed young man Han Zhi applied for a job as security supervisor of Sifang Hotel. He was well paid but only worked the night shift. He also had three weird rules: no going to the eighth floor, no asking about the residents on the seventh floor, and no entering the kitchen. After joining the company, strange things happened frequently. Han Zhi gradually discovered that the hotel concealed horrifying secrets, and explored the truth step by step amid supernatural horror.
The protagonist is inexplicable;