Dok Khae travels from Bangkok to Isan to visit her grandmother, Mae Yai Daeng, whom she's never met, seeking the truth about her mother’s mysterious death. Along with siblings Pumpui and Rosa, strange occurrences begin—her grandmother moves mysteriously at night, and eerie noises fill the house. As the villagers encounter a mysterious female phi pob ghost, Dok Khae uncovers the dark secrets of her mother’s death and her grandmother’s past, triggering a series of terrifying events that threaten the entire village.