The film tells about the environmental problems of the Agrakhan Gulf. The film crew of the North Caucasian Newsreel Studio is conducting a journalistic investigation, trying to find out who controls and is responsible for the state of the gulf. The first part: the city of Moscow. Building and sign with the inscription: "The Ministry of Fisheries of the USSR". A film crew from the North Caucasus Newsreel Studio is filming an aquarium in the foyer of the ministry building. The person on duty requires an official permission for filming (sync.) And stops the work of the group. Director V. Grunin interviews ministry employees leaving the building about the reason for the ban on filming (sinhr.). The city of Vladikavkaz. Director V. Grunin in the editing studio looks at the film on the sound editing table, which captures the moment when the attendant stops the work of the film group in the foyer of the ministry. Dagestan. Operating room of the post office. The telegraph operator prints the text of the telegram. The director of the film V. Sabaev speaks on the phone with the secretary of the deputy. Minister of Fisheries of the USSR (sinhr.). Moscow city. A sign with the inscription: "Ministry of Land Reclamation and Water Resources of the USSR". Dagestan. View of the Agrakhan Gulf. Birds over water. School of fish in the water. Geographic map of the Agrakhan Peninsula. The pilot, squadron commander T.G. Bunin in the cockpit speaks of the swamping of the bay and the mass death of fish in the area of South Agrakhan (sinhr.). Types of the discharge channel (Slot), wetlands in the Terek river delta from an airplane. Former deputy general director of the association "Dagrybprom" NN Deriy says in his office that an investigation was carried out into the death of the fish, which ended in nothing (sinhr.). A building and a sign with the inscription: "Prosecutor's Office of the Dagestan Autonomous Soviet Socialist Republic". City of Moscow. A sign with the inscription: "State Arbitration under the Council of Ministers of the USSR." Photos showing the places of death of fish in the area of South Agrakhan. Dagestan, Makhachkala. Building and sign with the inscription: "Dagestan zonal hydrometeorological observatory". Interview with the director of the hydrometeorological observatory D.V. Solovyov (sync.). Fragment of the newsreel "North Caucasus" No. 46 for 1973: a view of the Agrakhan Gulf from an airplane; animation illustrating flooding areas in the Terek river delta, dam breakthrough in the discharge channel (cut). The second part. Fragment of the newsreel "North Caucasus" No. 46, 1973: the construction of the dam; dump trucks, bulldozer at the construction site; reinforced concrete blocks fall into the water; view of the Agrakhan Gulf from the plane. Moscow city. The building of the Supreme Soviet of the RSFSR, Dagestan, Makhachkala. House of the government of the Dagestan ASSR. Map of the Agrakhan Gulf, on which the area of the opening of the slot is marked with a pencil. Fish in a seething stream of water. Dead fish in the water and on the shore. The fish suffocate in shallow water. A huge number of dead fish on the shore. Interview with the head of the department "Zapkasprybvod" G.A.Khiramanov (sinhr.) City of Moscow. Building and sign with the inscription: "State Arbitration under the Council of Ministers of the USSR." Dagestan. Director of the film V. Sabaev at the post office speaks on the phone with the deputy. Minister of Land Reclamation and Water Management of the USSR B.G. Shtape (sync.); a sound technician is standing nearby. The postman churns out letters. Government House building in Makhachkala. Glavdagvodstroy building. On the facade of the building there is an inscription: "Reclamation is a nationwide business." View of the wetland in the area of the Agrakhan Gulf. North Ossetia, Vladikavkaz. Director V. Grunin in the editing studio looking through the filming material. Dagestan. Doctor of Geography S.S. Baidin and Doctor of Economics, UN expert M.Ya. Lemeshev speak about the environmental disaster in the Agrakhan Gulf (sync.) View of the sandy desert from the plane. View of the Terek River through the airplane window, Moscow. A film crew and a policeman near the building of the USSR Ministry of Fisheries. The policeman returns the documents to the members of the group. Director V. Grunin conducts a survey of people near the building of the ministry, finding out why filming cannot be carried out (sync.).