The film reveals the importance of subsidiary trades in the development of agricultural production on collective farms: "Petrel" of the Vladimir region, the Estonian collective farm "Kuusalu", the collective farm near Moscow named after S. M. Kirov. The chairman of the collective farm "Petrel" BN Makarov is walking across the field, talking with the collective farmers. Harvesting potatoes. Sheep, horses, cows in pastures, harvester in the field. Ancillary workshops for sewing mittens, woodcarving production workshop. Construction of houses. Wedding procession. Estonia. Village. Agrarian demonstration subsidiary enterprise of the Kuusalu collective farm. Estron Agricultural Electronic Equipment Plant "Estron". By the chairman of the collective farm A. A. Vunk. Hay cleaning. Score. Cafe. House with a personal plot. Meeting on the board. Shop for microbiological feed production. Pig farm. AA Vunk among the collective farmers, treats with barbecue. Collective farm named after S. M. Kirov. The chairman of the collective farm, DA Storozhev, says. Plowing the field. Maize harvesting. Silage preparation. Fur farm. Minks in cages. Growing vegetables, flowers. Greenhouse complex, greenhouse. Residential complex. Kindergarten. Polyclinic. Pool.