The world collapsed, the virtual world swallowed up reality, and humans lived in the Rust Belt wasteland. Chen Ya is a "skin-changer" who wanders on the edge of life and death, surviving by parasitizing the bodies of the dead. He heard the dying cries of the deceased, and the pain followed him like a shadow. The reverberation is a curse, but also a clue - guiding the cracks, foreshadowing the reverse, revealing the truth about the gods. In order to find the obsession left behind by his daughter, he constantly disguised his identity and pieced together the truth of the world amidst cognitive pollution. When the door to restart appears, the price is completely gone. He gripped the doorknob tightly, the words echoing in his ears: "Dad, don't become a monster."