All the years spent behind the school bench, they were devoted to the dream of flying. And now they are again students, but they are solving completely different problems. Three young daredevils conquer the sky, forgetting about earthly problems and disputes. But the everyday life of test pilots of supersonic fighters is unpredictable and dangerous. A routine training flight overnight can be a harsh test of courage for them. Today, future aces will face a difficult exam, for which life itself will put a mark.

A young man meets a pretty woman on the street. They have a wonderful time together, walking around Kyiv and riding along the Dnipro River, and in the evening they come to the house, where two children rush towards them with a joyful cry. Everything is explained simply: it turns out that they are husband and wife, and today they decided to relive their first day of dating.

A combination of performances by masters of their arts, this film takes place during the Leningradskoye Leto – the Leningrad "White Nights" annual summer musical festival, featuring music stars, young opera singers, ballet, pop, circus, and amateur artists. Reporters Kostya and Bob are rushing everywhere trying to document the entire festival. Beautiful young singer Svetlana is pursued throughout the festive events by a hopelessly shy police lieutenant, whose unexpected infatuation leaves him unable to speak, but gives him a beautiful baritone voice.