In the future city "Hailin" where memories can be stored, repaired and even traded, Chen Mo, a top memory restorer, has forgotten his past. He runs a small shop called "Wen Yizhai" and calmly repairs other people's broken time. One day, a mysterious woman Lin Shuang brought a "memory glass" that was on the verge of being broken and asked him to restore a memory about the "Echo Reef Lighthouse" that was destroyed thirty years ago - and she herself was not even born yet. This impossible commission was like a rock thrown into the sea of oblivion, causing ripples and involving Chen Mo in a huge conspiracy. He must dive into the abyss of memory, not only to find the truth, but also to recover his own island that was taken away.
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