When the Empress died with a mystery, causing the nobles to shut up and find a way to solve the situation and find clues about who is behind this incident.

Thanathip spends the night alone in a villa that has been passed down for generations, in an area known to be haunted. He is trying to find out why there is a ghost following him. On the night of the waning moon, the ghost will fulfill her long waited moment. This will be the night that Thanathip is about to get all the answers from his senior friend. But on the same night, an uninvited guest accidentally changes everything that enrages the ghost, who kills everyone. Thanathip and his friend must travel back in time and to the past to know the whole truth.

A wave of chilling serial murders emerges, marked by the gruesome decay of male victims' secret part. As the police investigate, they confront eerie local myths and dark secrets.

A highly trained teenage assassin, Dina, and her mentor, Charlie, form an unlikely duo as they unexpectedly join forces to stop a sinister plot and save millions of lives.