One day, third grade students received “invitation cards” with amazing content: “Dear friend, inhabitant of planet Earth! If you want to meet people of another civilization, come to the dance floor in the old park tonight”. This meeting, of course, did not take place, but there was a reason for good fun and interesting conversation...

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.

Rodion Mikhailovich Shishkin, the chairman of the collective farm, is a man with a complex character. He quarrels with his superiors, who don't allow him to work, and doesn't tolerate injustice. But one day another scandal he raised ended for him... with a promotion!

A story about a guy and a girl who decided to get married.They want to have their own place and live without parents. They search for apartment to live together because they can't live without each other, they're seriously falling in love, but parents are getting tougher to deal with and they forbid her to see him. He comes up with a plan to sneak into her house pretending to be her English girl-teacher named Olga with two long braids and funny voice...

Vera Golubeva, a textile worker, lives in a hostel. In her spare time, she arranges the fate of her friends. Although the class is disinterested and informal, Faith comes up to him professionally: working with the press, send out wedding announcements across the Soviet Union carefully selects and grooms. Vera herself is lonely, walking at other people's weddings, forgot to dream of her own family happiness. In a purely female team of the hostel there is a new commandant Viktor Petrovich. At first, he tries to fight with the established order and close the marriage office of Faith. But soon Victor begins to realize that Faith is the very woman he sought all his life…