A police detective arrives in a Siberian town to reopen the investigation of the murder of a schoolgirl, as he has some doubts about the culpability of the man who was convicted.
Koshkin
AYoung engineer Pavel Kaurov goes to his first destination — to the port city of Sibirsk. He is appointed to lead a group of cranes: gantry and floating. After several troubles Pavel mastered the port work and received a serious assignment. Meanwhile, his fiancee Nina, an architect by profession, is arriving in Siberia. However, besides Pavel, fellow students came to the station to meet her — Petunin's brother and sister, in whose house she is staying. Soon Annushka, who has long loved Pavel, arrives. From that day on, he had trouble after trouble. After a crane accident, which happened through his fault, the hero pulls himself together and does everything to regain the confidence of the brigade...
Petrunin
Young Leningraders, yesterday’s schoolchildren, are entering adulthood. Sonya is in love with Styopa, but he loves Tanya, and Tanya prefers Fedya. The rejected Styopa leaves for a distant Siberian city and starts working at the factory, studying at the evening institute. Sonya leaves after him and gets a job at the same factory. Tanya and Fedya, having married, go to college, and the young husband has to earn some money as a driver to support his family. The selfish nature of Tanya refuses to put up with the modest position in which the newlyweds are forced to be, and she starts an affair with an elderly composer...
first scientist (uncredited)
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.
