Overview: Fragments of the works of Soviet and foreign science fiction writers: “Hello, Parnassus!” Valentina Berestova, "A Yankee in King Arthur's Court" by Mark Twain, "The Abyss of Marakot" by Arthur Conan Doyle and "The Conqueror of the Impossible" by Evgeny Veltistov.
Overview: Grandfather Valera and his grandson Kolya are relaxing in a sanatorium. There they meet the young writer Nikolai. The boy invites him to his birthday, but his grandfather persistently asks Nikolai not to appear at the celebration.