The tragic death of Police Major General Nikolai Zimyatov pulled a thread of investigation into the sphere of interests of which, one after another, “strange” cases related to the spontaneous combustion of people began to fall. What is this mysticism? New natural phenomenon? Someone's evil will or scientific experiments conducted by intelligence agencies? And why now, when the country is on the verge of another political crisis? Once having become a participant in events for which an explanation has yet to be found, FSB Major Mikhail Potapov is forced to urgently respond to these mysterious phenomena and save people doomed to death from “enlightenment”...