In the "Floating City" where memories can be extracted, repaired and traded, Lin Mo, the top memory restorer, is an amnesiac with no past. He ekes out a living in the gray areas of the city by relying on his skills in repairing other people's broken memories. One day, a mysterious woman "Nightingale" brought an undecipherable memory "introducer" and asked him to retrieve a deeply buried memory that could subvert the order of the entire floating city. This dangerous pursuit not only involved Lin Mo in the deadly vortex of giant corporations and underground organizations, but also made him discover that the end of that lost memory was actually his erased identity. In the fog of truth and falsehood, he must fight against the angry sea of forgetfulness on the island of memory.
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