Living together in a workers' dorm, Katerina and her friends are determined to make it in Moscow. But when a boorish cameraman forces himself on her, Katerina finds herself pregnant and alone as her friends move on. Twenty years later, Katerina is a factory director, outpacing her old roommates career-wise, yet still alone but for her daughter. Love seems possible again when she meets a genial mechanic.

The story about the first day of reception on personal issues of the deputy of the District Council, young worker Timofey Zuikov.

About a family of metallurgical scientists, the head of which is Academician Cordin, having survived a difficult crisis, and ultimately agrees with the ideas of his two sons...

Secondary school students play a 'practical joke' on their teacher: on midterms day, they claim she told them the wrong date. She almost believes them, but an honest classmate ruins their fun... and now they want revenge.

A chairman of a Kolkhoz tries to organize a musical band in order to prevent kolkhoz girls to escape into a big city.

The Vultures on the Road - an organized gang of robbers and murderers, which includes even the police. They kill the truck driver's friend, whose wife is expecting a baby. The police (which is cooperating with the bandits), of course, does nothing, so he begins to take revenge on the scum, crushing their cars by his truck.

Driver Mikhail meets Sofia, a distinguished collective farm worker who has come to Moscow. He helps her buy a car and agrees to deliver it to her collective farm. He is a widower, and she has separated from her husband. At Sofia's request, he agrees to take her, her daughter, and son-in-law back home. Mikhail develops deep feelings for Sofia, but her daughter is against it.

An enterprising young man who practices medicine, striving to win the affection of his beloved, vows to cure her mother of a serious illness. To truly learn the secrets of medicine, he has to pretend to be deaf and mute and hire himself out as an assistant to the best doctor. Will the hero be able to keep his promise?

The fifth film in a Mosfilm "youth" anthology series comprising three short stories. The first story, 'Vizit' (The Visit), directed by filmmaker turned politician Yevgeni Gerasimov, tells the story of a rural boy visiting his former village girlfriend, now living in Moscow. Next comes a short film by Aleksandr Majorov called 'Zolotye rybki' (Goldfishes), which is based on a story of a magical goldfish brought from a provincial pet store by the late Russian historian and science-fiction and fantasy writer Kir Bulychyov. The final segment and the title of the film, 'Polosa vezeniya' (Streak of Luck), tells the story of a member of staff at a research institute who is offered the job of department head but has second thoughts when he discovers the previous boss was unfairly dismissed.

The film tells about the difficult and dangerous everyday life of submarine officers in love with their profession during the Cold War.