The Curse Restarts: The curse of the "Blood Moon Festival" in the ancient village has come true. Three rich people died suddenly. Their corpses show the characteristics of the serial killer "Blood Painter" thirty years ago, with a bloody crescent moon mark appearing on their necks.
Mysterious painting exhibition: Gallery owner Su Man received an anonymous package, and the paintings on display contained a warning of a murder. The third painting "Red Moon" predicted that he would become the fourth victim.
Two-pronged pursuit of the murderer: Criminal psychologist Jiang Linchuan and folklorist Ji Bai teamed up to discover the connection between the case and the unsolved case thirty years ago. Human blood DNA was detected in the paint of the painting.
Showdown in the Palace of Mirrors: The final confrontation in the abandoned theater. The real murderer used the projection to create ghost images. Jiang Linchuan saw through the trap and revealed that the man behind the scenes was actually a gallery assistant who assumed the identity of others.
The bloody truth: The orphan of the family massacre twenty years ago seeks revenge and imitates the crime to cover up the traces. The bloody crescent moon is actually a pinhole for injecting air embolism. The greed of human nature gives rise to the reincarnation of evil across time and space.