The film was based on the story of the same name by A. Yakovlev about the most famous pioneer of the thirties of the last century, who was inscribed in the history of the pioneers under number 1.

In this three-part series, Nikolai Irteniev reminisces and reflects on his life; he is eager to find answers to the most important questions of life. "How to be? how to do the right thing? What goals to strive for?" Based on Lev Tolstoy's autobiographical trilogy.