Nhong decides to get ordained as a Buddhist monk after a fatal bus accident, hoping to clear his bad karma. He’s joined by two friends — First and Balloon — who know little about the monkhood rituals. They travel together to a remote temple for their ordination, but things take a terrifying turn when they discover the temple is cursed by the wrath of Pee Nak, a mythical giant snake spirit. Soon they face ghostly encounters and supernatural threats that test their courage and faith.