[Chapter 1: Aconite and the Imp(s)] Officer Hsu is found poisoned and dead in his room one night, next to him stands multiple sing song girls who all look like the long-dead Bai Lin, they chant then vanish. Baffled by the seemingly supernatural nature of the murder, Detective Shi Shen embarks on a journey to the Hidden Town, in hopes that the mysterious practitioner Bai Tsing Luo could help him unearth the truth. [Chapter 2: The night herons long gone] A salt merchant's servant is horrified by t...