Lingchen can touch the emotions remaining on objects and is an appraiser of relics. He originally thought that his job was only to interpret the joys and sorrows of the past and soothe the lingering obsessions. Until a seemingly ordinary antique pendant carries a piece of sadness that has been carefully forged. When the line between real and false memories blurs, he finds himself involved in a conspiracy to manipulate people's hearts. In this city shrouded in emotional fog, can he retrieve the stolen truth?