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.

After the partisans Julia, Pavel and Sergei went out on a combat mission, the detachment was surrounded and destroyed by punishers. Years later, a document was discovered stating that one of the three was a traitor.

Lipa and Vera had been friends since childhood. Now, having finished their boarding school, each of them faces her own path in life. Tormented by poverty, Lipa is forced to marry the old, dull, and cruel Tolokonnikov. However, she cannot bear the tyranny of the cowardly official for long. Leaving her husband, she departs from Rasteryaeva Street. Vera's life turned out differently. Fleeing with a hussar, she spent several turbulent years, but, exhausted, she returned once again to Rasteryaeva Street. And nothing had changed there.