On instructions from Polish intelligence, a group of bandits dress up in Red Army uniforms and attack a Soviet border town.

A third of a series of movies about Kovpak - the partisans chief during WWII.

In 1921, the Cheka became aware that gold and jewelry were stolen from the treasury of Gokhran, and that a special organization was involved in transporting the stolen to Estonia. Scout Maksim Isayev is sent to this country. He establishes that the cipher of the Soviet embassy Olenetskaya works for the German resident Nolmar, with whom employees of Gokhran Kozlovskaya and an appraiser Yakov Shelekhes are associated. As a result of the provocation, Isayev was arrested. In the prison cell, he finds himself together with the famous Russian writer Nikandrov, who could not find himself in post-revolutionary Russia and went abroad. Released soon by the efforts of his comrades, Isayev continues the struggle for the fate of Nikandrov — for his return to his homeland.

Pavel Ivanovich Shumov is a public assessor of the court, an engineer, and a good family man. At the next court hearing, some circumstances of the defendant’s life convince the hero that this is his son. Shumov is looking for the defendant’s mother and, not recognizing her as the woman he once loved, returns home...

Immediately after the prom, Olya Rusanova arrives in the city where her father worked and tragically died. Many years ago he dreamed of building a city, and now she is walking along the street bearing his name, a street without end. Having met her father’s friends, Olya learns him anew. They tell the girl how her father wanted to see large houses and wide streets on the site of the tent city. How he knew how to be friends and to love, and how longed for Olya when he broke up with his wife, who didn't agree to go with him.

Father and son exchange the bodies using the help of two student fairies.