Ten years ago, Liu Shian and Baiyu both died in a decisive battle. For this reason, Liu Mengbai came to Xunjiang to investigate and ran into Bai Qiulian, the fish demon. The two fell in love at first sight, and they met each other.
The story is adapted from Pu Songling's original book Liao Zhai's Strange Stories. The story is about the murder of a number of men in Jinning City. As the mystery unfolds, the legendary banshee turns to be the work of a female demon. The demon-hunter Gu Shijie battles with the demons and the heroes in a battle of wits.