The protagonist Lin Chen was pulled into a terrifying dimension called "The Realm of Illusion" because of touching the ancestral jade - this is a concrete collection of human negative emotions (fear, obsession, regret), existing in the form of countless independent "weird copies". The copies combine Chinese folk customs (weird embroidery, overwhelming skills, river god rituals) and Cthulhu-style indescribable horror. Some copies have phenomena such as time and space disorder and memory pollution. Behind the illusion world lies the crisis of "the awakening of the old gods". Only by gathering the scattered "anchor fragments" can we break the cycle, return to reality, and even prevent the illusion world from eroding reality. The protagonist survives step by step in the dangerous dungeon.