Bumbling private detective Chan Tam is enlisted by police pal Fung Chak to help in the investigation of a serial murder case. The victims a middle-aged man killed at home, a dead woman found in the trash dump, and a teenage girl slain in the park were all killed in grisly manners, but they didn't seem related to one another. With no clue to follow up on, Tam is decidedly at his wits' end.
A group of friends finds themselves stranded in an old hotel in Thailand. As they uncover the history beneath the walls, they're slowly drawn into its sinister past, making it even harder to get out alive.
A police officer, a local guide and his daughter follow the trail of a prison escapee, Nasor, into a forest with many secrets, one of which relates to the death of Nasor's father by the father of the officer. As the group ventures deeper into the forest, the eerie realm unleashes its spiriits.
