A clown leaves the circus where he performed for many years. Accompanied by his nephew and white puddle Arto, he starts performing street shows to earn for living.

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.