Black Heart

1983. A student from Congo was found dead in a classroom of one of the Siberian technical schools. To avoid an international scandal, the investigation hastily concludes: death from a heart attack. At the same time, the police department covertly instructs Lieutenant Andrey Laptev to investigate what happened. The detective discovers that the African's death was caused by an electric shock. But the strangest thing: a voodoo doll with a pierced "heart" was found at the crime scene. Is this a secret ritual of angry tribesmen or someone's clever prank? Laptev immerses himself in the student atmosphere and learns terrifying details of the brutal crime…