Soviet geologist Viktor Klimenko with his guide and assistant, Yakut Nikol, fall into the trap of enterprising businessmen. They are going to conserve all the air in order to sell it monopoly, profit and dictate their will to the rest of the world.

The hero of the film is senior police commissioner Kuzmin. The plot is based on the robbery of a savings bank, an attack on a woman with the theft of a bag, the fate of a talented artist driven into a dead end by life and, finally, the problems of fathers and children...