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.
Gennadi PolokaDirector
Sevka
Boris
Stepan (shofyor gruzovika)
Ivan Zakharovich (major militsii, otets Borisa)
Valka (kapitan rechnogo buksira)
Polina Ivanovna (mama Sevki)
papa Sevki
Pastukh zavyazavshiy s alkogolem
inspektor rybnadzora
Vizunov