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.
Sergei Shevkunenko
Vladimir Dichkovsky
Emmanuil Vitorgan
Viktor Sergachyov
Natalya Chemodurova
