After becoming a licensed engineer abroad, Lucyna comes back to Poland and looks for a job. Because her wealthy father thinks it's inappropriate for a girl to work, she decides to put on men's clothes and get a job as Julian Kwiatkowski.
Lucyna Bortnowska vel Julian Kwiatkowski
Engineer Stefan Żarnowski
Countess Renata Czermińska
Baron Amadeusz Maria de Witz
Chairman Paweł Bortnowski, Lucyna's father