Children's pioneer camp on the coast of Black Sea. On the eve of the war game "The Classified City" - annual and traditional , someone steals the team bugle - a source of pride for the entire squad.
| Actor | Role |
|---|---|
 Evaldas MikaliūnasSasha, chess-master | Sasha, chess-master |
| ССережа ЯкунинАндрей Белов | Андрей Белов |
 Tamara LoginovaIraida Ivanovna, camp's director | Iraida Ivanovna, camp's director |
 Aleksei SmirnovTruck Driver | Truck Driver |
 Nikolay GorlovOld Border Guard | Old Border Guard |
 Sergei Gurzo Ml.Pioneer Leader | Pioneer Leader |
 Sasha NazarovPyotr Vasnetsov | Pyotr Vasnetsov |
 Dmitriy BarkovMikhail Sokolov | Mikhail Sokolov |
 Tatyana GrishinaNot listed | Not listed |