1st plot. Microdistrict problems. Gorky. City views: the tower of the Gorky Kremlin, streets, the movement of buses, trolleybus, cars; city residents on the streets. Construction of an experimental residential neighborhood "Meshcherskoye Lake" in one of the Gorky districts according to a joint project of Soviet architects and architects from Magdeburg (GDR): general view of the construction site, the work of construction equipment, builders. Interview with the head of the construction and installation department "Meshcherskoye" Evgeny Alexandrovich Gorinov (sinhr.). Welding of reinforced concrete structures at the pilot plant for large-panel housing construction No. 4. Interview with the chief technologist of the plant Andrei Vladimirovich Isaev (sinhr.). Production processes in the workshops of the enterprise. A car loaded with panels drives out of the gates of the enterprise. Panorama of the construction of the microdistrict. 2nd plot. Poisoning. Kuibyshev. The plot tells about a massive intestinal infection among children and adults, vacationing in the labor and recreation camp "Zimovets", located in the vicinity of the city of Kuibyshev. An ambulance car drives through the city street. Interview with the doctor of the sanitary epidemiological station, the doctor on duty at the children's hospital, the mother of one of the children (sync. And per shot), who talk about the disease, that the violation of sanitary standards and technology in food preparation was the cause of the mass disease. Types of camp territory, dining room, bed linen in basins on the street. Children in hospital wards, talking about the first symptoms of the disease. Children resting and working in the labor and rest camp "Zimovets" harvesting tomatoes in one of the farms. Children sit by the fire.