Traveling along the Volga River, a worker from Kaunas, Jonas Budris, while stopping the ship in one of the Volga towns, searched for the house where his old friend Petr lived. After learning that after Peter's death his wife was hospitalized, his eldest son was serving time for theft, and his youngest had dropped out of school, Jonas decided to interrupt the trip and stayed at his friend's house.

Alexey Veryaskin, a new employee, joins the team of concrete carpenters, who left his prosperous family to take an active part in the construction of a large hydroelectric power station.

The movie takes place at the construction of a tunnel in the Arctic Circle. A young engineer Andrei Arefyev is appointed head of the site. Between him and Nikolai Krumov, head of the neighboring site, there is a serious conflict. And it's not only about different professional approaches to construction methods in harsh conditions: Arefyev's favorite girl Svetlana, without any agony, preferred Krumov to him.

The District Party Committee nominates Klimov, the headmaster of a rural school, whose main concern was to prepare students for higher education. Previously, he had not been concerned that young people were not returning. And now, from his new position, Klimov must look at the problem of educating future specialists needed by the collective farm in a different way.

The corpse of a young beautiful woman, the owner of a well-furnished home, was discovered in the apartment. Inspector Gurov rejects the robbery version: nothing was touched in the apartment. Four are suspected: the husband of the murdered woman, her friend, a neighbor on the landing and an elevator operator...

The main character, nineteen-year-old Anastasiy Chizhov, was appointed commander of the Zver patrol ship. Under his leadership, the old fishing vessel becomes a strong fighting unit.

A music student is expelled from school because he loves jazz, a kind of music that represents the US capitalism. He hires two street musicians to form a dixie band, and goes from one city to another trying to gain fame.

A young romantic loves step dance but there is only one person who knows this forgotten art. Beglov was a step dance super star back in 50s but as step became unpopular he lost everything. He hates even this word - 'chechotka' (step dance). But somehow the young man convinces him to become his coach and manager.

The gullible stewardess Katya Vasilchikova did not know that, having undertaken to carry on board her plane a briefcase-"diplomat" allegedly with collectible cognacs for the handsome newlyweds Andrei and Tanya flying on the same flight, she became an unwitting accomplice of air pirates...

An expedition of a few geologists is going to Siberia in order to found a gold sources during 1918.