Khon Fai Luk plot
The mystery of Spontaneous Human Combustion (SHC), or the belief that the human body sometimes burns without any external source of ignition. The story follows the investigation of a female victim who died mysteriously as a result of SHC. Mona, the victim's daughter, is an ambitious lawyer who happens to be involved in the "crime." She laments the unfinished reconciliation between her and her mother. The incident takes her to Peggy, a nurse whose mother also died as a result of SHC. Both girls try to discover the truth behind their mother's death. And Kwan, a tough journalist, follows her instinct to reveal the evil forces behind both cases.