Borja and Seva live on the bank of the Dnieper. In summer, during vacations, they help adults by delivering letters. Suddenly they learn that a poacher has appeared in the village. The boys start their own investigation.

• Mosfilm
• Leonid Kharonsky
• Nikolay Ashikhmin
• Pavel Luspekayev
• Nikolay Kryuchkov
• Leonid Kharitonov
• Alevtina Rumyantseva
• Anatoliy Solovyov
• Emmanuil Geller