Based on the novel of the same name by A. Bakhvalov. The plot is based on a story-interview about the testing of the new strategic missile carrier Tu-22K and Tu-22M2/M3 (for well-known reasons, in close-ups, instead of them, the film shot the then less secret Tu-134 UBL - a combat training laboratory) and the tragic events associated with them, given to journalist Odintsov by test pilot Borovsky. Testing of a new jet aircraft, the psychology of human life, the problems and joys of life of pilots - all this is closely intertwined in the film. The heroes of the film - friends test pilots Dolotov and Sanin - have walked together all their lives. But it so happened that one of them, Dolotov, was once unfairly suspended from flying, while Sanin failed to protect and support his friend. Friends' paths diverged...

This is a last of 3 movies about 3 friends (the other two are "Kortik" and "Bronzovaya Ptitsa"). The gang has grown up and in this movie they discover and help to stop criminal activity on the factory and in their neighborhood.

A graduate of the village school Pyotr Gorokhov from the village of Dyadkovo comes to Moscow to enter a prestigious economic university; he succeeds, albeit literally by a miracle. However, Petya was always helped out by chance and mysticism. Compared to other students (mostly Muscovites and residents of other big cities), this guy from the province stands out sharply — both in manners, in reprimand, and in behavior. Accustomed to defend their principles to the end of Gorokhov was called Balamut (Troublemaker). Nevertheless, in the student community, he quickly mastered and became a leader. Everything would be fine, but he has two problems — unrequited love for the dark-skinned beauty from Cuba and English...