Late at night in modern cities, strange events occur one after another: people living alone disappear mysteriously, cries come from abandoned corridors, and old objects are contaminated with ominous curses. An ordinary employee {Chen Mo} was accidentally involved in the whirlpool when his neighbor disappeared mysteriously. He has no superpowers, and relies solely on his inherent caution and acumen to uncover clues that are difficult to distinguish between true and false. Every step is like walking on thin ice, every choice is a matter of life and death. Those dust-covered midnight taboos and the darkness deep in human nature are emerging one by one as he investigates. There is no golden finger, only step-by-step thrilling exploration. Can {Chen Mo} survive the strange fog and uncover the truth behind all events?