Xie Yao turned off the last light of mankind with his own hands, but he didn't know that the light was the last hope that Li Yin gave his life for. When the world falls into eternal darkness, a girl who can read memories, a general who wants to become a god, a black marketeer who sells memories, and an awakened AI are all competing for the key to restart. The truth is hidden in every emotional afterimage he erased with his own hands - light is not energy, but memory; human beings are not species, but stories.