The film is based on the biography of Valeri Chkalov (1904 - 1938), a Russian pilot, who set several long distance flight records. Chkalov and his co-pilots Baidukov and Belyakov together had accomplished several non-stop long-distance flights. In June of 1937 Chkalov set the world record, covering 12000 kilometers in 63 hours of non-stop flight from Moscow to Vancouver, Washington, flying over the North Pole.
This, the first Soviet depiction of Peter the Great, set the stage for what would become the post-Revolutionary line concerning the early Romanovs. Rulers like Ivan the Terrible and Peter the Great were widely admired for their dedication to Russia and their absolute determination to enhance her position in the world. But praise for the hated later Romanovs conflicted too heavily with the very beliefs that had brought about the Revolution in 1917.
Katerina murders her husband and her father-in-law. She and her new beau are both sent to Siberia, where the lover almost immediately takes up with a younger woman.