In the near future where memories can be retrieved, stored and tampered with, top memory architect Lin Mo discovers that he has lost a key memory. The "Echo" device in his hand is the only clue to the truth, but it only plays fragmented sensory fragments. In his quest to find himself, he embarks on a dangerous path, navigating past colleagues, mysterious detectives, and the all-powerful tech giants. He must distinguish truth from lies in the ruins of memory, otherwise he will lose not only the past, but also the future.
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