A young locksmith, Jerzy, builds an airplane. By chance, he meets the Brazilian millionaire Tomasz Kotlica and his daughter Janina. Witold Siemacki, an aviator, stands in the way of Jerzy's career and happiness.
Tomasz Kotlica, polski milioner z Brazylii
Janina, córka Kotlicy
Jerzy Zamiejski
Witold Siemiacki
Mechanik Wincenty Drucik
Felcia, narzeczona Wincentego
Director