A group of Soviet counterintelligence officers manage to neutralize spies sent to the territory of the country to obtain secret information about the construction of a large military-industrial complex in Priozersk.
| Writing | Vladimir Kuznetsov | Writer |
| Directing | Anatoliy Bobrovskiy | Director |
| Sound | Aleksandr Zatsepin | Music |
| Crew | Vladimir Bogdanov | Cinematography |
| Editing | V. Yankovskiy | Editor |
| Art | Stalen Volkov | Production Design |
| Art | E. Akhundov | Set Decoration |
| Costume & Make-Up | N. Shimilis | Costume Design |
| Costume & Make-Up | A. Maslova | Makeup Artist |
| Production | Karlen Agadzhanov | Production Manager |
| Crew | Eric Pyryev | Second Unit |
| Sound | Yevgeni Kashkevich | Sound |
| Sound | Grigoriy Gamburg | Conductor |