The Barrier of Uncertainty

Original title: Барьер неизвестности

Directed by Nikita Kurikhin

The beautiful woman and the brave man disembark the train at the tiny station in the desert. He is the test pilot of the hypersonic nuclear-powered plane called Cyclone, and she is the physicist studying the strange phenomenon encountered by the first flier of the Cyclone jet, named Kazantsev.