Lan Ruo Temple.

Outside the mass burial mound of Lanruo Temple, the female ghost Nie Xiaoyan and the female ghost Haitang are both subordinates of the tree demon Kongcheng. They serve Kongcheng together and fight against the demon catcher Yan Nantian. Guarding each other, unexpectedly, after Nie Xiaoyan met the scholar Fu Qingzhu, all this changed, and a life-and-death love triangle struggle intensified.