Thanathip lives in his ancestral home alone, keeping the house and any unexpected visitors safe. He wants to know why a particular ghost is haunting him. On the night of the waning moon, an uninvited guest accidentally provokes the ghost to become angry and she kills everyone. Because of this incident, Thanathip goes back in time to discover the truth behind the woman's death.

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.