In the future urban "Floating Island" where memories can be extracted, stored and traded, Lin Mo, the top memory weaver, has forgotten his past. Day after day, he repaired the broken memories of others, but he could not piece together the recurring figure of the woman in his mind. A mysterious commission and a memory fragment from the "deep sea" drew him into a huge whirlpool about technological ethics and the redemption of human nature. In order to find her, and in order to find himself, Lin Mo must dive into the forbidden sea forgotten by everyone.
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