The film tells about the creation by Professor D. V. Bushenin of a new method for converting rotational motion into translational motion with the help of special screw mechanisms, for its application in mechanical engineering.
Panorama of the sea coast with a sandy beach, a fence and lampposts, behind the scenes throughout the film are the reflections of Professor Bushenin D. V. on the way to his discovery of a new principle of rotation (synchronously).
Performance of circus performers with garlands of balloons, an acrobat and a clown run out into the arena.
Footprints in the sand in the surf, the surf washes away the tracks.
A shell on the sand in the surf.
The hand draws a spiral on the sand with a splinter, the incoming wave washes away the spiral.
A circus performer spins hoops.
A seashell in a wave of the sea surf.
A circus performer in front of a mirror in a make-up mask, her story about working with a hoop sounds behind the scenes (synchronously).
People in the corridor of the institution.
Acrobatic show with hoops and swings in the circus arena.
Professor Bushenin D. V. reflects on the scientific problem.
View of the inner circus arena during the acrobats ' rehearsal (top).
The roller of an old music machine rotates.
Performance of a circus performer with rotating hoops, behind the scenes sounds her story about working on the number (synchronously), an example of an Archimedean screw.
Demonstration of the new principle of rotation by the example of the huluhup rotation.
Bushenin explains to his colleagues the essence of his discovery.
Panorama of the river bank, overgrown with trees and shrubs, winter rural landscape.
Snow-covered Orthodox church.
View of the poster with calculations and formulas made by Bushenin, the faces of Bushenin and his colleagues.
Examples of screw and nut rotation according to the Bushenin principle.
a boy rolls a moped on a sandy beach, sea waves.
Bushenin Dmitrij Vasiljevich -- scientist, inventor
Locations: Moscow 
Seasons: Autumn  Winter