The newly-minted young nobleman Vasily Medvedev travels to the western border on the Ugra River to the estate that the Grand Duke of Moscow Ivan Vasilyevich III granted him with a charter, and brings the sovereign’s secret message to his neighbor living on the other side of the border - the Lithuanian magnate of the Orthodox faith, Prince Fedor Velsky. However, upon arriving at the place, Vasily discovers that his lands have been seized by a gang of cruel robbers, Prince Velsky has not lived in the neighborhood for a long time, and the life of Medvedev himself is in mortal danger...