The nine-year-old Prague boy Pepiček flies to Moscow as an involuntary stowaway on an airplane. Together with the Soviet pioneer Mischa, he pursues an alleged agent in the hustle and bustle of the World Festival and is flown back to Prague in the evening.

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Main Cast: Mark Bernes, Nikolay Kryuchkov, Tomáš Sedláček, Vladimir Siluyanov, Liliya Yudina, Elza Lezhdey, Yuriy Sarantsev, Vasili Neshchiplenko, Jana Dítětová, Miroslav Homola

Director: Čeněk Duba

Writers: Giorgi Gulya, Ota Hofman, Ota Kramář, Ladislav Hanuš, Čeněk Duba, Josef Träger

Editor: Antonín Zelenka

Cinematographer: Jaromír Holpuch

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