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.

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.

The Tsar of Spirits – a creator, surrounded by his kind geniuses and his loyal servant Pamphilius, leads an interesting life. With the help of Zephius, a scholar-astrologer, he not only fulfills his request to save Elimar's son from poverty, but also helps the young man rediscover his interest in life.