The film introduces a new measuring science - metrology.
The story of the creation and the gradual improvement of the metric system and a variety of measuring instruments, the opening of the State Chamber of Weights and Measures, the importance of standards.
Presented antique measuring instruments, archival photographs, newsreels beginning of XX century and the Great Patriotic War.
Also, the first part of the film tells about the work of atomic clocks, which are the state standard of the time, and the multitude of other devices-standards.
Locations: Leningrad 
The story of the reconciliation of measuring instruments used in the various sectors of the economy, and on the manufacture of machinery parts in the Ural enterprises.
In some examples, explains the importance of the accuracy of measurements and metrology impact on the economy, further development of instrumentation, scientific and technological progress and economic benefits.
Locations: Ural