This film musical is a romantic comedy of mistaken identities set at the 10th World Festival in Berlin. Alexej from Moscow meets and is attracted to Mascha, right before he leaves for Berlin. Mascha also travels to Berlin to perform with her cultural ensemble. While there, she boards with the Krüger family, whose son Hans is attracted to her.

Nina Maslova
as Maria / Mascha

Klaus-Peter Pleßow
as Hans

Lev Prygunov
as Alexej

Regina Beyer
as Renate

Lyudmila Garnitsa
as Shura

Katrin Martin
as Gisela

Dean Reed
as Dean

Frank-Otto Schenk
as Jochen

Marianne Wünscher
as Frau Krüger