In the 22nd year of the Republic of China, on the way to the southward relocation of cultural relics from the Forbidden City, a series of bizarre murders occurred one after another. Weak restorer Chen Huaiyuan, sassy police detective Gu Mingyue, and powerful special commissioner Fu Ziming formed an investigative triangle. They used science and traditional wisdom to solve a series of mysteries on thousands of miles of railway tracks, uncovering a mystery of the era that had been buried for fifteen years and related to national treasures and huge sums of money.
