In the "Pure Land of Memory" era where all memories can be digitized, edited or even deleted, low-level technician He Feng accidentally discovered the "original memory backup" encrypted deep in his brain during an illegal memory repair. As he solved it step by step, a shocking conspiracy emerged that was related to the highest power of the Dragon Kingdom and could subvert the entire social order. He must join forces with Yu Wenxue, who is also a friend and foe, Zhang Lie, an old enemy who insists on order, and Ji Jing, a girl whose life experience is a mystery, to retrieve the cruel truth that was forcibly deleted in the maze of memories that are difficult to distinguish between true and false.
