In a world after the nuclear apocalypse a scholar helps a small group of children and adults survive, staying with them in the basement of the former museum of history. In his mind he writes letters to his son — though it is obvious that they will never be read.
Homeless, all thrown Mephistopheles is suffering from idleness and boredom. In a market where you can buy everything - from gralic to books on Russian history, he manages to find the soul of a ballet dancer.
About the incredible adventures of hallucinating teenagers from a children's colony, who, as a result of a scientific experiment by their teachers, end up in the "Wild West", among space monsters, in a world of fantastic nature and all sorts of political situations. Some become a cowboy, some become Hitler, some become Emperor Paul I, etc. Three colonists, with the assistance of one of the teachers, actively resist these experiments...
