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.

Misha Polyakov

Genka

Nikitsky

uncle Semyon

Misha's grandmother

Misha's grandfather

Polevoy

Genka's father

Bandit

Filin

philatelist

Agripina Tihonovna

Slavka

Slavka's father

Slavka's mother

Sviridov

Mariya Gavrilovna Terentyeva

Podvolotskaya
January 1, 1973

Misha Polyakov

Genka

Nikitsky

uncle Semyon

Misha's grandmother

Misha's grandfather

Polevoy

Genka's father

Bandit

Filin

philatelist

Agripina Tihonovna

Slavka

Slavka's father

Slavka's mother

Sviridov

Mariya Gavrilovna Terentyeva

Podvolotskaya

