Three years after his sister's death, Yak relentlessly searches for the dark spirit that killed her in hopes of seeking revenge.
Two projectionists discover a disturbing film featuring the lynching of a woman. Not only are they troubled by the content of the movie, but strange events befall them following the viewing.
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.
