The daredevil pilot Sergei Belyaev takes a risk flying a plane which is not properly maintained and crashes dangerously, landing in hospital, his plane going up in smoke. The aviation student Galya Bystrova, having a crush with Belyaev, unfortunately tends to imitate him in the air. Later, heeding the advice of the wise headmaster Rogachev, they become experienced pilots. Bystrova is assigned to Pamir, and Rogachev, in love with her, is sent to Sakhalin.

US - Vaudeville dancer Marion Dixon is with her German manager von Kneischitz on tour in Moscow. Her act includes a gun shooting her to the trapeze, the stage director there wants a copy of this act for the USSR. She falls in love with a Soviet enginer, but von Kneischitz blackmails her with her dark spot in her life, she has a colored baby, to leave Moscow.