In the house of goldmaker Tikhon Kondratievich Molokov, carnival is celebrated noisily, on a grand scale, with gypsies. Everyone drank pretty, and when the mayor tried to “seduce” the owner’s daughter Anisya, the girl’s father broke his nose. Frightened by the consequences of this incident, Tikhon Kondratievich decided to flee the city.

Two noblemen from the Grand Duchy of Lithuania clash because one refuses to free his servant - a girl. The second joins a peasant revolt and takes over the castle.

Not young bus driver goes to the next trip. In this trip he recalls his childhood during WW2. But there is another danger people among passengers of the bus.

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...

A strange phenomenon has been noticed on the outskirts of our Solar system that quickly approaches the Earth. It's called "Orion's Loop." A spaceship with a crew of people and androids identical to them is sent to intercept the anomaly. But strange events start happening as the spaceship approaches the mysterious loop.

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