A Red Army officer Polevoy possesses a navy dirk with a secret message encrypted in its handle. The second part of a message belongs to a White army officer Nikitskiy. It's up to three young friends of Polevoy to uncover the mystery.
Сергей Шевкуненко
as Misha Polyakov
Владимир Дичковский
as Genka
Эммануил Виторган
as Nikitsky
Виктор Сергачёв
as uncle Semyon
Наталья Чемодурова
as Misha's Mother
Зоя Фёдорова
as Misha's grandmother
Леонид Кмит
as Misha's grandfather
Михайло Голубович
as Polevoy
Эдуард Горячий
as Genka's father
Кузьма Кулаков
as
Vytautas Tomkus
as Bandit
Роман Филиппов
as Filin