A squadron of American warplanes, armed with gas developed by Corsican chemist Gannimer (dubbed "Napoleon Gas") flies to Leningrad. American workers inform soviet comrades about the impending catastrophe. But the air attack on the city has already begun, and the assault troops of the enemy capture one suburb of the city after the other. The Red Army is organizing the defense and reflects the attack of the enemy with gas-armed drones

In the short-lived Commune of Paris, a conscripted soldier falls in love with a Communard saleswoman. As the army cracks down on the revolutionaries, the soldier is forced to fight against the Commune, and the pair's love is put to the test.

Russia, 1875: In Riazan’, Dr Pavlov is summoned to a landowner who refuses to accept the inevitability of his death; to Pavlov’s dismay, he orders the destruction of a beautiful apple orchard. 1894: Experimenting on dogs, Pavlov tries to comprehend the interaction between nerves and external signals governing digestion. In 1904, he formulates the principles of conditional reflexes. When Zvantsev, an opponent of Pavlov’s materialist worldview, leaves the laboratory, the scientist hires Varvara Ivanova who becomes his most reliable assistant. 1912: Pavlov receives an honorary doctorate from Cambridge University. 1917: Despite Pavlov’s political scepticism, the Bolshevik administration treats him with great respect.

Intensely and for a long time Valery was looking for an occasion for achievement. Seventeen years of boring life have formed a scornful gait among the young man in protest towards an eventless world. But ordinary everyday difficulties came, followed by the responsibility for making decisions. And it turned out that everyday life is not just past days. This is real life.