Xiao Yanchu, the young minister of Dali Temple, has a gluttonous bloodline and needs to devour all things for food, from memories, emotions, to all "abnormalities" in the world. Within the capital, mysterious crimes occur frequently, mortals are restrained, and evil spirits are rampant. In order to satisfy his hunger and explore the truth about his own bloodline, Xiao Yanchu wandered on the edge of light and darkness, feeding on "abnormalities" and deceptions. He used the most vicious means and the most upright laws to gradually uncover the huge secrets that had been covered up in this prosperous age.