Burn circles around the mystery of Spontaneous human combustion (SHC), the belief that the human body sometimes burns without an external source of ignition.
The story follows the investigation of a female victim’s mysterious death caused by SHC. Mona, the daughter of the victim, is an ambitious lawyer who accidentally involves in the crime. She regrets the unfinished reconciliation between her and her mother.
The incident brings her to Ploy, a nurse whose mother passed from SCH as well. Both girls seek to find the truth behind their mother’s death. Kwan, a diehard journalist, follows her instinct to unveil the evil force behind the case.