Joy is the new maid of a royal house, whose previous maid disappeared under mysterious circumstances and is now haunting and terrorizing the family. Joy works to uncover the reason behind the former maid's disappearance.
When a mysterious monster rises from the Mekong River and attacks Bueng Kan, it cuts people off from the outside world. Officials and people in the area, including Chinese scientists who accidentally came to conduct research in Thailand, all forces must be mobilized to catch this crazy monster before it's too late.
