The film tells about the childhood and youth of the wife, friend and military ally of the founder of the country of the Soviets Nadezhda Konstantinovna Krupskaya. The main attention in the film is paid to the participation of a young revolutionary in the organization of the struggle of the workers of St. Petersburg for their rights, against the autocracy.
The "Fiery Arc" tells of a grandiose battle on the Kursk Bulge in the summer of 1943. Here was the largest tank battle in the history of World War II. Along with the personal fate of the heroes, the film shows battle scenes, the activities of headquarters and intelligence, those who worked at the front and in the rear.
Renowned scientist Dronov works in Novosibirsk on the creation of ultra-modern engine. He has a bad heart, he was afraid not to have time to finish the job, and test engine at a factory in Moscow, unfortunately, is not the first time passes unsuccessfully. Dronov abandons the rest of the work, even the leadership of the Institute entrusts to his disciple Morozov.
In the summer of 1917, Vladimir Lenin leaves Petrograd and shelters in Razliv with fellow revolutionary Grigory Zinoviev. In the weeks that follow, Lenin writes his famous "Blue Notebook" advocating proletarian revolution.
Eugene Onegin, a jaded young dandy from the big city of St. Petersburg, travels to the country to ingratiate himself into the affection of a dying uncle. There he meets the idealistic and romantic poet Vladimir Lensky, who introduces him to the daughters of a local landowner.
