Retired police colonel starts his own murder investigation.

In April 1945, Senior Lieutenant Smirnov arrives in Moscow. He just got out of the hospital. His main task is to neutralize the bandits who raid freight trains. Later, Smirnov realize that the leader of the gang of raiders is the one he least suspected.

Russian naval pilots risk death to help stop a American Submarine whose defective reactor threatens a nuclear meltdown.

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.

In the port of Danzig, the military transport Tyrol is preparing to leave, on board which are selected SS units and seventy naval crews. The commander of the Soviet submarine "S-31", which received serious damage, receives the task of detecting and attacking enemy transport...

Growing up in an orphanage, Florin is trying to find his mother Dorina, whom he has not seen for 15 years. His beloved Liza is very jealous of Florin's plans. Having met his mother, an already adult son is trying to understand the person who gave him life and abandoned him. But can a son forgive his mother, who deprived him of a happy childhood?

Senior Lieutenant Vasily Bodrug and his wife Evgenia arrive at the border outpost after the wedding to serve. An intruder was killed while trying to cross the state border, and border guard Vaskov was injured during detention. Vasily, risking his life, detains an accomplice of the violator. But a complete surprise for the lieutenant was the arrival of his former lover Vyacheslav to his wife.

The film is dedicated to Dmitry Ilyich Ulyanov, the younger brother of V.I. Lenin, a professional revolutionary, doctor and creator of the first Soviet sanatoriums and rest homes in the Crimea.

About a young geography teacher, Aleksandr Arsenyevich, who tries to approach school problems in a new way.