A twisted black shadow appears in the city late at night. Programmer Li Ming glimpses the strange true appearance, and the dust-laden childhood fears are awakened. Forensic doctor Zhang Yan discovered strange signs of serial murders, and eight people, including retired soldier Wang Qiang and anchor Liu Ting, were involved in the whirlpool due to their respective experiences. When the shadow of another dimension engulfs the city, they with special abilities are forced to join forces to uncover a horrifying truth about the survival of mankind in the abyss of ancient artifacts and humanity.