The film tells about the inventor of the improved seeder Vasily Nikitich Prokhorov, who has been trying to put his invention into production for more than twenty years. Former collective farm chairman, deputy of the Supreme Soviet of the USSR Shcheulov, employee of the Agroindustrial Committee of the Kuibyshev region Gavrilov and associate professor of the Kuibyshev Agricultural Institute Kosolapov (who tried to become a co-author of Prokhorov's invention) give interviews (sinhr.). VN Prokhorov gives an interview at a hotel in Kuibyshev (sinhr.); walks in the field; at home. 1 part. One of the hotels in Kuibyshev: visitors are registered at the administrator; going up the stairs; the maid cleans the hall; interior of one of the rooms. Part 2. Academician TS Maltsev at home: works with papers; removes snow in the yard. 1, 3 parts. The building of the Agroindustrial Committee of the Kuibyshev region; visitors on the porch of the building.