The film tells about the exercises of degassers. The film was created by order of the Central Council of the USSR Osoaviakhim. Part 1 A street with residential one-storey buildings on the outskirts of Moscow. Lighting on the street is turned off. View of a dark street without lighting, only lights are on in the houses. Men and women close the curtains on the windows. Degassers are passing through the factory yard, special equipment is passing by. The man closes the factory gates. The production process in one of the workshops of the plant. A man in a gas mask sounds the alarm. Workers of one of the workshops of the plant stand at their workplaces, listen to the alarm signal, put on gas masks. Explosion from a dropped gas bomb. The blast wave breaks the window. Mustard gas spreads out. A degasser in a gas mask and overalls puts a BYPASS sign near a brick wall. Another degasser displays the INFECTED sign. Degassers in overalls pass through the territory of the enterprise. A banner with the words “EVERY PLANT MUST BECOME A FORTRESS OF THE DEFENSE”. One of the members of the degasser team approaches the commander, reports on the situation. Topographic map of the territory of the plant with the areas of infection indicated on it. The commander of the degassing team makes an entry in the journal: "Portable portable degassing device VDP-1". Degassers are transported by VDP-1. The commander of the degassing team makes an entry in the journal: "Handheld portable degassing device - sprayer RDP-1". Degassers come with RDP-1 devices on their shoulders. Degassers with sieve stretchers. Degassers in gas masks and overalls are preparing to enter the zone of exposure to mustard gas. Degassers transfer the bleach drums to the back of a truck. The degassers receive an assignment from the commander. Degassers in gas masks and overalls are sent to contaminated areas. The degassers take all the devices for decontamination of the area, using VDP-1, from the truck body, cover the contaminated area with a degassing substance - bleach. The truck moves through the territory contaminated with mustard gas, evenly applying bleach to it with the help of the device, degassers smooth out the bleach layer with brushes. The degasser, using a stretcher sieve, degasses the area with bumps, bumps and pits. The degasser covers the wall with bleach using a washcloth wrapped around a stick. Part 2 The degasser treats the room from mustard gas. The degasser applies the solution to the wall of the room. The "Infected" pointer type, then the "Degassed" pointer is placed. Degassers for processing industrial premises and equipment using gasoline, kerosene. View of a 2-storey residential building with a front garden. Degassers are taken out of the house of residents, they are all wearing gas masks. People sit in the truck. The woman and the girl are wearing gas masks. A man is skiing through a contaminated area, a woman is walking nearby: a plank is tied to one of her legs, and the other is wrapped in a rag. Loading people into the back of a truck for shipment from the contaminated area. One of the women has a chessboard tied to her foot. A truck with evacuated residents drives off. Degassers water the leaves on trees and shrubs, flowers with a solution, mix bleach with soil to eliminate the consequences of a reaction with mustard gas. The degasser with VDP-1 decontaminates the area. Degassers are engaged in disinfecting household items in houses evacuated from the danger zone of residents: dishes, cutlery, etc. are placed in the tank on the stove using a slotted spoon. The teapot falls to the floor, shatters. The degasser looks at his hand, wounded by a splinter of a teapot. View of the medical aid station. A degasser with a wounded hand runs up to a paramedic who is treating his wound. The type of tank in which household items are sterilized. Degassers remove all sterilized items from the tank, wipe them with a napkin. One of the degassers puts individual items on a plate for sterilization, the other throws them into the boiling tank; Among the items is a toy - a rubber "pebble". The degasser takes out a fur-collar coat from the tank. Degassers put things in a special chamber, where they are for 3 hours. Signpost "Infected" by the railway tracks. Electric locomotive DKm-12 (1939) moves along the tracks. The degasser girl stops the electric locomotive. The driver is in the cabin of the electric locomotive, asks something from the degasser. A degasser with a flag in his hand stands at the mechanism for translating the arrow. The driver in the cabin of the electric locomotive. The driver gets out of the electric locomotive with a bucket and a gas mask. The girl is already without a gas mask, the electric locomotive passes. Tram movement along the street. End of the exercise. Degassers take off gas masks. Two militiamen are standing at the checkpoint on the road, next to the sign "Gas-fueled". One of the militiamen removes the signs "Gassed!" From the road. "Detour". The movement of trucks on the road. People are standing at the checkpoint. The militiamen let people through. The commander stands in front of the formation of his team of degassers, telling them: "TODAY WAS TRAINING, BUT WE MUST BE READY FOR A REAL AIR-CHEMICAL ATTACK ...". "CHEMICAL ATTACK IS NOT SCARY FOR THE ONE WHO IS PREPARED FOR IT."