The book takes Beilin City as the stage, and is divided into volumes around multiple main lines such as accidental disappearances in the city, bizarre suicides, old cases in orphanages, underground dark networks and corruption in large companies. Different characters are involved in mysterious cases due to their own purposes, pasts and motives. As the truth is gradually revealed, it is discovered that the mastermind behind the scenes uses psychological manipulation, information cover-up and even high technology to influence reality. Every clue is closely intertwined with the power of the city and the abyss of history. Amidst layers of mysteries and mutual suspicions, the protagonists choose trust or betrayal, decipher the truth or fall into the abyss... In the end, all story lines are intertwined and unified, and the ultimate secret beneath the urban surface emerges.
