The film tells about the people of the unique profession - avalanche engineers. Avalanche engineer R. Shaikhutdinov measures the thickness of the snow, approaches the MI-8 helicopter. Snow slush underfoot. Snowdrifts. The roadway covered with snow. Radio message about the possibility of avalanches in the city of Petropavlovsk-Kamchatsky. An avalanche descended. Snow clubs. Shaikhutdinov weighs the snow. The city of Petropavlovsk-Kamchatsky. Cinema "October". Buildings under construction. Kamchatka Territorial Administration for Hydrometeorology and Environmental Control. Hydrometeorological Bulletin. Management building. Avalanches walk through deep snow, measure the depth of the cover, record research data. Snowy mountains (filmed from a helicopter). Ice gorge. Mountain river. Snow block in the water. House. The man is feeding the sheep. Dog Cat. The man takes a water sample. Thermal springs. The avalanches are loading things into the helicopter. Shaikhutdinov talks about 3 avalanches coming down on January 24, 1988. Building of the marine hydrometeorological station. The employee is at the control panel. Stand-unit for measuring TV3-1.