A production conflict breaks out between the head of the hydroelectric power station's construction, Demidov, and the chief engineer, Prokofiev. Prokofiev prohibits construction work due to the danger of a rock collapse, but Demidov cancels the engineer’s ban.

Having lived for his pleasure most of his life, floor polisher Ivan Karetnikov, on the threshold of his 60th birthday, did not for the first time leave his next wife himself, but she abandoned him, moreover, in public. In addition to these troubles, he was fired from his job, replaced by a mechanical polisher. In this difficult moment, Karetnikov remembered the first wife, and then the second and third. But turning to each of them, he seems to begin to lose hope of seeing compassion for himself.

About hardships of the first years of War, which fell to the lot of ordinary people in Ukraine, who got under the yoke of fascist occupation, and heroic struggle against the invaders. A young Russian woman asks a Red Army soldier to spend the night with her in the wake of the Nazi invasion. Fearing she may soon perish, the woman hopes for one night of romance before what could be a horrible demise.

The love story in the remote village. Lyuba has a child, Nikolai has a wife. Nikolay, having become a projectionist, now, once a week, brings cinema to the village of Babino, where Lyuba lives. Once they loved each other, but Nikolai, unexpectedly for everyone, married another and since then tried not to be in this village. And now feelings have surged again, and both are unable to resist this love.

The Red Army squadron is trying to escape from the enemy while carrying a huge load of rare furs to be sold abroad.

The film tells the story of high school graduates, their first — still school — problems and challenges, Hobbies and disappointments, friendship and dreams.

In order to stay in Moscow, biologist Pyotr Severin began working in the field of statistics. An unloved activity gave rise to self-doubt and disappointment in life. One day, a famous scientist and relative who came from the Far East offered him the position of head of an environmental laboratory. Peter agreed without hesitation. And later, having headed the local biological station, he entered into a serious conflict with the local timber industry...

April 1941. According to intelligence received by the Chekists, a fascist sabotage group plans to blow up one of Moscow's defense plants. To find out the plans of saboteurs working under the auspices of the German embassy, ​​the NKVD sends one of its best employees, Sergei Biryukov, to the plant. He finds contact with the fascist agent Keller and finds out that the explosion is scheduled for June 21...

Stuck due to bad weather at a tiny Far Eastern airport, several random travel companions become witnesses of an amazing meeting. As it turns out, one of the passengers was brought here not by chance. He is the son of an American pilot who ended up at the airfield during the war years, which was built to transfer planes from Alaska to Russia. And here he meets a woman who saved his father's life forty years ago.