In the future city "Huanjing" where memories can be extracted and recalled, Lin Jing is a "memory diver" whose duty is to sneak into the remnants of the last memories of the deceased and pursue the truth. He is haunted by the memory fragments of his wife's mysterious death and can never get rid of it. A difficult secret room murder case plunged him into an unprecedented storm. The deceased was a giant who held the core secrets of memory technology. His broken memory not only contained clues to the murderer, but also a secret that could subvert the entire social order. This secret actually echoed Lin Jing's lost past. In the maze of true and false memories, he not only has to hunt down the murderer, but also faces the tampered version of himself.
