To possess the woman he liked, the medieval inquisitor and champion of strict morals, Brother Bernard, sold his soul to the Devil. The Prince of Darkness graciously agreed to give the monk full power over the life of Margarita Sittov. But in order to break the heart of the unapproachable beauty, you need to take away her family heirloom - a golden amulet with protective properties. The medallion is stolen, Frau is in complete power of the fanatic. But instead of confessions of love, Bernard received only all the torments of hell, and the golden-haired enchantress was burned at the stake on charges of witchcraft... After dozens of generations, the security medallion ends up in the possession of the modest editor Oksana Karaseva. But even he is unable to protect her from a terrible explosion on a train, the pursuit of criminal bandits and the annoying advances of a neighbor - an intelligence agent. He also sold his soul to the Devil for Oksana’s love. The fate of the owners of the medallion strangely repeats itself...