In the suspended city "Etterburg", memory is a commodity that can be edited, deleted and transplanted. Lin Zhou, a top memory weaver, trims clients' painful pasts every day, but is completely blank about his own life. He is calm and precise, like a perfect machine, until an unexpected operation occurs, and a fragment of memory that does not belong to the client - the fragrance of soil after the rain and the blurred silhouette of a girl - invades his system. This tiny "mistake" became the first crack in his gray world. In order to pursue this strange ray of warmth, Lin Zhou began to secretly explore the truth about his erasure, but found that the seemingly perfect utopia beneath his feet was built on an endless deep sea called "forgetfulness", and he himself was the most critical island in this deep sea.
