A little girl named Katherine saved one boy's life during the bombing in Leningrad while under the Siege in WWII. The boy cannot speak yet. So she gave him a name Seryozha and provided him with food and care. She was later adopted by the boy's father, who recognized his son.

About the beginning of M. Gorky's literary activity. Arriving in the provincial town of Samara, Alexey Peshkov publishes one after another incriminating feuilletons under the pseudonym Yehudiel Chlamydia. Acquires enemies, friends, becomes a famous writer and leaves for Moscow.

A copying error by a military scribe turns the Russian words "the lieutenants, however" into what looks like "lieutenant Kizhe". The Tsar reads the error, and wants to meet this (non-existent) lieutenant. The courtiers, eager to avoid the wrath of the temperamental Tsar, create a Kizhe to serve as their royal scapegoat.

Before the attack on the village, captured by the Nazis, the commander decides to carry out a distraction — a concert of the front-line brigade of artists. Chef Antosha Rybkin is assigned to play the role of... a German corporal. Dressed in an enemy uniform, he gets to the rear of the enemy and helps his liberate the village.

About the life and heroic death of the old Bolshevik-Lugansk resident, participant in the civil war, Aleksandr Yakovlevich Parkhomenko. In 1918, capturing Ukraine, the German occupiers sought to use the Haidamaks, the White Guards and the Greens in their struggle. By order of Voroshilov, Aleksandr Parkhomenko from Lugansk arrives in Tsaritsyn. At the same time, the Germans launched an active offensive. The "red" battalions are poorly armed, however, Parkhomenko manages to raise them to the attack and put the enemy to flight.

Military maneuvers are being conducted in the Kuban villages of Dalnyaya and Kochevskaya, with the participation of village Cossack detachments. The Kochevskaya reconnaissance unit is led by the dashing Cossack Mikhail, while his fiancée Dasha Gorkunova is a communications officer for the "enemy" unit. Dasha cleverly deceives her "enemy" and, having escaped from her pursuers, gives instructions to "her own."

1920 year. Having been wounded, the Red Armyman Yusalov arrives in the Kuban village and organizes a music school here, learns the Internationale with his students, and sets up the first revolutionary performance. All this causes fierce hatred among the kulaks, they kill the Red Army. After many years, a new music school will be built in the village and named after the dead hero.

The airborne trickster - Aleksei Tomylin, civil aviation pilot - one day decides to stop tempting fate and only flies directly. The airport where Tomylin works is near the border with Afghanistan. One day he receives the task to fly across the border and transfer a package with an order to catch a notorious saboteur. On his way back, Tomylin crash lands near an abandoned settlement - and soon finds himself taken hostage by a gang. The hero pretends to agree to take the saboteur abroad, and relies only on his expertise as a flying ace.....

The film tells the story of those who took part in the Battle of Stalingrad in 1942, which became a turning point in the Great Patriotic War. For five months, the city resisted the Nazi offensive. Surrendering Stalingrad to the enemy would have meant losing the war, but holding on to the city seemed almost impossible.