In the future city "Xindu" where memories can be erased and traded, Ling Su, the top memory scavenger, makes a living by erasing the pain of others, but seals his own past in a blank. A seemingly ordinary commission brought the mysterious woman Ye Wan to him. She does not seek to forget, but seeks to recover an encrypted memory fragment about her missing brother. When Ling Su dived into this broken memory, he found that the scenes in it overlapped surprisingly with the nightmare deep in his mind. Every decoded fragment is like a puzzle piece, not only pointing to a huge conspiracy, but also pushing him step by step towards the abyss of truth buried by his own hands. He must fight against the angry sea of forgetfulness on the island of memory.
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