A Ming Dynasty "Water Moon Guanyin Picture", the moment the secret hidden in the mezzanine for twelve years was revealed, Lin Mo's life completely changed. Before his death, Master left six words: "Don't cultivate. Don't investigate. Don't touch." - But he must cultivate, must investigate, and must touch. A national-level intangible cultural heritage restorer uses his hands to read the buried truth from thousands of traces. A yellowed donation list, an old document with its signature removed, and three unfinished artifacts point to a family that has been entrenched in the cultural relics system for three generations. What he wants to repair is not a painting, but a murder case that happened twelve years ago.