Chen Xiaoman was sixteen years old and had been watching lanterns in the lantern room of Chenghuang Temple for ten years. On the night of the ninth day of winter, one of the ninety-nine lamps that had lasted for three hundred years died. He started to investigate from this death lamp: the lost doll, the lamp oil mixed with water, the fake document that had been changed for three hundred years, the emperor's life-extending lamp, the pen used to write in Jiuge——
