share time: 2026-07-18 00:39:11
Lin Xiao rents an old apartment in the old city to save money. After moving in, she always hears slight mechanical noises from the wall. By chance, she discovers a damaged AI device hidden in the wall, which stores the unfinished regrets and covered-up truth of the former owner and his lover. While repairing the AI, she not only uncovers secrets of the old days but also gets involved in a decade-old entanglement unexpectedly—this secret in the wall is exactly the key to solving her own emotional knot.
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