April 1941. According to intelligence received by the Chekists, a fascist sabotage group plans to blow up one of Moscow's defense plants. To find out the plans of saboteurs working under the auspices of the German embassy, the NKVD sends one of its best employees, Sergei Biryukov, to the plant. He finds contact with the fascist agent Keller and finds out that the explosion is scheduled for June 21...
Director
Gennadi Poloka
Georgiy Yumatov
Sergei Biryukov
Valentin Grachyov
Gromov
Mykola Hrynko
Keller
Fyodor Nikitin
Franz Rediger
Igor Dmitriev
Otto Breyer
Arkadi Tolbuzin
Stepanov
Tamara Syomina
Tanya
Irina Korotkova
Zina
Nikolay Grabbe
'Gruzchik'
Ivan Ryzhov
Osipov
Lyudmila Gurchenko
Klava Ovcharova
Tatyana Konyukhova
employee of the NKVD
Lyudmila Shagalova
'Gruzchik''s partner
Irina Kolpakova
Kitri
SU
