A group of high school friends reunite after two years when one of their fathers' committed suicide. They all spend the night at their friend's place. When darkness falls, strange things begin to happen to them one by one. It is as if someone is using the black arts on them in revenge for an act this group of friends committed together back at high school.
Years after teacher Panor's affair with student Ta's father led to the death of his mother, Daun, other family members use black magician Dis to shift Daun's soul into Panor's body. Things go wrong, and soon bloody havoc visits the family. Meanwhile, Dis pursues Panor's three-eyed devil, wanting to possess its powers himself in this gore-filled spine-chiller.
A pregnant woman is abandoned by her lover. Enraged, she goes to a witch doctor and uses black magic to have her ex and his family killed, only for another woman claiming to be her lover's secret mistress to claim his inheritance and move into his house with her children. Not long after that, inexplicable things happen to that family and, one by one, they begin to die.
Suffering from acute kidney failure, Uncle Boonmee has chosen to spend his final days surrounded by his loved ones in the countryside. Surprisingly, the ghost of his deceased wife appears to care for him, and his long lost son returns home in a non-human form. Contemplating the reasons for his illness, Boonmee treks through the jungle with his family to a mysterious hilltop cave - the birthplace of his first life.
Ting-yin, a young novelist, is struggling to come up with a followup to her best-selling trilogy of romance novels. After drafting her first chapter, she stops and deletes the file from her computer. She then starts seeing strange, unexplainable things and finds that she is experiencing the supernatural events that she described in her novel-to-be.