In the future, memories can be edited and deleted. "Memory organizer" Lin Mo's job is to sneak into the client's brain and prune the painful past. He is calm, precise, and regards memory as data, until he meets an artist named Xiao Wanqing. Deep in her memory, he discovered an "echo" that should not exist - the image of a stranger who had been forcibly erased but was still struggling. This discovery not only involved the shocking conspiracy of the "Eternal Heart" of a technology giant, but also forced Lin Mo to question his flawless memory of his closest relatives. Is he the organizer of memories, or a prisoner of tampering? In order to find the truth, he must embark on a dangerous journey upstream and against the entire world.
