In a future city where memories can be read and repaired, top memory restorer Lin Mo has been trapped by the incomplete memory of his mentor who died in a fire. When a powerful client brings a bizarre commission - to verify a false memory in which he "killed" a living person, Lin Mo discovers that there is a familiar "brand" hidden in his memory. This brand led him to his former colleague and current business rival Su Qing, as well as the huge "Yongsheng Technology" group behind him. In order to explore the truth, Lin Mo had to dive into the most dangerous abyss of memory, only to find that the client's mystery was closely connected with his dusty past. What he pursues is not only the truth of others, but also his own echo buried in ashes.
