The action takes place during the time of Ukrainization, at the end of the 1920s. Kharkiv employee Myna Mazaylo decides to change his ukrainian surname to the russian Mazenin, as he considers it more solid.
The hero of the film, police captain Anatoly Lensky, is an adventurer who is characterized by nobility, a sense of honor and intrigue. Together with other characters goes to the "Bay of death" in search of hidden treasures there. All heroes movie must to meet in one place. There they will converge, but not all come back…
At the passenger plane following the flight Khabarovsk - Sverdlovsk, two engines caught fire. Three hours of flight to the destination, in addition, the bands are closed according to weather conditions, and the aircraft can only survive in the air for 15 minutes. It is necessary to take the only right decision to prevent trouble. Having requested the nearest port of embarkation, the ship's commander was refused - and at his own peril and risk continued flight ...
