Sinopsis
The action of the movie takes place during a possible future war. A foreign state is preparing an attack on the Soviet Union. Professor Runge in his laboratory conducts an experiment with a new deadly gas. The plan of aggression is carried out. On a major Soviet industrial center the enemy command sends squadrons of planes with high-explosive and chemical bombs, with an airborne landing force led by White Guard officers.
Pemeran
Nikolaj Bogolubov
Ognev, chief of Sovier air defence
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Sofya Sokolova
Galina, Ognev's sister
Boris Livanov
Karl Runge, engineer
Nikolaj Podgornyj
Professor Runge
Lev Fenin
General Vahr
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V. Lavrent'ev
Colonel Massalskiy
Aleksandr Antonov
Chief of aviation
Georgij Bobynin
Staff captain Blagonadyozhnyh