Chilling mystery thriller full of suspense and tension. Beautifully filmed, this historical drama is rich in authentic late 60s USSR details. Absolutely thrilling with unexpected twists and a fantastic ending, this original NTV series will grip even the most discerning mystery fans. In the "socialist paradise," no one had heard of serial killers—until KGB Major Chubin faced one and nearly became a victim. Scarred but driven, he follows the trail of the “Chernobog” cult to Leningrad, where a killer strangles young women, leaving a charcoal mark. Chubin and Captain Fyodorov must defy superiors who believe the case is closed to uncover the truth and bring the real killer to justice.