Soviet spies are delivering top-secret mail to Moscow.
Director
Writers
Igor Starygin
Yanis Aurin
Natalya Vavilova
Lena
Leonid Nevedomsky
Mikhail Kurasov
Ernst Romanov
Tugarin
Mikhail Matveev
Vasil Ignatevich Pereguda
Yekaterina Romanova
Georgy Yudin
