Ling Ye is a memory dream weaver who specializes in erasing painful memories and mending mental trauma for clients. During an ordinary mission, he accidentally awakened a lingering consciousness in a "deleted" memory. This "ghost" who shouldn't exist not only has an independent personality, but also hides a shocking secret that can subvert the world. When his former employer turns into a life-seeking hunter, Ling Ye must protect this consciousness and uncover the terrifying truth about the nature of the human soul buried deep behind the forgotten service.