A man of big status disappears in a small provincial town. An old bored investigator and his young hyperactive assistant are on a trail of a bloody murderer.

The American submarine is rushing to the intended target, from where the U.S. ballistic missiles are shot. For the third month the boat has been on a cruise, everyone is tired of this life, the captain is nervous - the speed is at the limit of the machine's capabilities. Only the chief mate, the only person on the boat who will not hesitate to press the fatal button, feels confident ... When the target is only minutes away, the radio operator raises the alarm: the Moscow radio announces that an important government message is about to be announced. The base is silent. Fearing that war has broken out, the captain declares combat readiness, but at the same time Moscow radio reports the launch of the world's first cosmonaut.

Based on an opera by Nikolai Rimsky-Korsakov, which was based on a Russian epic tale of the same name. In the old Russian city of Novgorod, the merchants are feasting in a gorgeous palace and Sadko is bragging that he can bring to their land a sweet-voiced bird of happiness. They laugh at him, but he is offered help by the Ocean King's daughter, who is mesmerized by Sadko's singing and is in love with him. The hero is destined to visit many lands in his search of the bird.

The action takes place during the Second World War in the battle zone over the Black Sea coast. Soviet sailors track down an enemy submarine. Meanwhile, the commander of the Sea Hunter, along with one of the sailors, is not returning from intelligence. Young patriots Katya and Lida report to the boat about the signal of unknown friends who noticed a submarine. Thanks to this, Soviet sailors drown an enemy boat, and the brave reconnaissance Katya, who knows the mountain paths of the coast well, discovers a Sea Hunter commander and a seriously wounded sailor in one of the caves ..

A family of collective farmers arrives in Kazakhstan. The husband, who had persuaded his wife to come in search of an easier life, is frightened by the very first difficulties and goes back home. But the woman stays, because she has fallen in love with a local man. There are no optimistic declarations—only a timid hope that she will take root in this new place, together with the birch trees she planted near the house.

The first months after the October Revolution. A small Red Army detachment stops at the Aksai farmstead, thereby causing discord in the family. Old Aksai treats his daughter-in-law Dinseme and her little brother Abido like slaves. But the Red Army soldiers treat them very differently. For the first time, a sense of dignity awakens in their souls. Meanwhile, Dynseme's husband, Gylik, together with another White Guard soldier from Ataman Semenov's gang, learns that the Red Army detachment is about to continue on its way and prepares a plan to destroy it.

Siberia, 1916-1917. Bolshevik Pyotr Sapozhkov is engaged in revolutionary propaganda and agitation in a small Siberian town after the end of his exile. He is assisted by his wife Varya. After the February Revolution, the Bolshevik party is still outlawed, Pyotr and Varya go into hiding and face arrest. The guards manage to capture their son Timu and the boy is taken to an orphanage.

Lev Savvitch Turmanov accidentally heard how his young colleague spoke disparagingly of him, and ignited a thirst for revenge.

Tormented by the worthlessness and boredom of life, the official Laevsky longs to break the vicious circle of his existence at any cost. His moral antipode, the naturalist Von Koren, is convinced that people like Laevsky are worthy of destruction. But, contrary to the wishes and will of the heroes, providence decides their fates in its own way.

A female poet and author faces the harsh realities of a besieged Leningrad. Based on Olga Berggolts' memoir of the same name.