In the future city, Lin Chen, a top "memory purifier", can accurately peel away other people's painful memories. When a mysterious woman Su Wei came to ask for help with a memory about "fire" and "caramel smell", Lin Chen accidentally sneaked into his dusty childhood nightmare during the purification process. He discovered that he was the only prisoner on the island of memory, and under the sea of oblivion, there was a truth buried that he did not dare to face.
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