In Lincheng, memories can be repaired, extracted and even traded. Gu Chuan is a top memory restorer. He is known for his calmness and precision, but he has never been able to repair his broken past. When a mysterious woman named Su Wan came to the door with a fragmentary memory about the fire, Gu Chuan discovered that this was no ordinary commission. There is a burning butterfly totem hidden among the fragments of memory, and every in-depth repair will drag him into a huge whirlpool of conspiracy. Not only does he have to face the betrayal of his memory, but he also has to face his long-standing nightmare. On this island built of memory, the echoes of the past are both salvation and abyss.
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