According to the story of the same name by Aleksandr Avdeenko. The end of the 50s. Transcarpathia. Two saboteurs cross the border near Tissa. One dies during detention, and the second, under the guise of a front-line soldier Ivan Belograi, appears at the state farm and begins to look after Theresa, whom he met by correspondence. Frontier guard Andrei Smolyarchuk, in love with Theresa, is the first to suspect a spy and is trying to find out what his purpose is...

In the ordinary Ukrainian collective farm comes a new music worker, graduated from the Conservatory energetic young girl. She led the fight with the Chairman of the collective farm and accountant, who believed that Amateur music for farmers — something quite optional…

The best foremen of the two competing collective farms, Olga Stepanova and Maxim Orlov, have long been in love with each other. But between the bride and groom there is a quarrel on the industrial soil, and everything goes to the gap.

Surrounded by a few party officials, Alexei Ivanov, a stakhanovist smelter, is decorated by Stalin. The "Little Father of the Peoples" takes this opportunity to invoke threats of war.... One day, war indeed breaks out. Bombs fall on the field where Alexei finds himself in the company of the schoolmistress Natacha, his fiancée. Alexei joins the Red Army and soon becomes a sergeant. Fighting rages and German troops advance. Natacha is arrested and deported. But the tide turns decisively with the German defeat at Stalingrad. Now the major offensive against Hitler can begin.

About the life of the Russian biologist Ivan Michurin. 1912 year. Having rejected American offers to work abroad, Michurin continues his research in the Russian Empire, despite the fact that his ideas are not perceived by the tsarist government, the church and idealistic science. Michurin is supported by prominent scientists of the country and he continues to work hard. After the October Revolution, a small Michurin garden in the city of Kozlov (the biologist's homeland) becomes a large state nursery.