The final book of the series “On the Other Side.” The boyar Vorontsov has many goals: to find an artifact, to get married, to summon a prince so that the empire can have a ruler again, and finally to fight the darkness that comes from the west. Only all of this is easier to say than to do. The world is frozen between light and darkness, and it depends only on people who are ready to stand up with weapons in hand to defend their home whether darkness or light will be over Rus’.