A young master, Vladimir Dubrovsky, comes to the estate to visit his father, who has long been in litigation with his neighbor, the despotic landowner Troekurov. Having seriously insulted Dubrovsky Sr., Troekurov tries to go to peace, but the proud old man is adamant.
The Author, i.e. J. R. R. Tolkien himself (played by Zinovij Gerdt), tells "his" story: the life of Bilbo Baggins, a quiet and enjoyable hobbit, is turned upside down when he decides to join the wizard Gandalf and a company of thirteen dwarves in an attempt to regain a treasure stolen from the latter. [Soviet television movie adaptation of "The Hobbit"]
Paleographer and writer Anton Glebovich Kosmich finds in the binding of an ancient book a parchment with encrypted information about treasures hidden in the dungeon of the castle. It gradually becomes clear that the last scion of the family of the Olshansky princes, who collaborated with the Nazis during the war, is also looking for the treasure. In the dungeon of the castle, along with treasures of the 17th century, materials from the SD archive are also hidden. The spaceman is in mortal danger.