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 Mother
Misha's grandmother
Misha's grandfather
Polevoy
Genka's father
Acting
Bandit
Filin
philatelist
Agripina Tihonovna
Slavka
Slavka's father
Slavka's mother
Sviridov
Mariya Gavrilovna Terentyeva
Podvolotskaya
Lelya Podvolotskaya
school principal
geometry teacher
Bor'ka-Zhila
