A film about the exploration of the Pamirs - the greatest peak in the USSR. Newsreel. Tajikistan. The first Pamir scientific expedition 1928-1933, headed by N.P. Gorbunov. Expedition base in Osh. The members of the expedition are preparing to leave. Meeting of the headquarters of the expedition. A caravan of 200 horses and 250 camels leaves the camp. Among the members of the expedition Academician O. Yu. Shmidt, N. V. Krylenko, I. G. Dorofeev, Shcherbakov, film director V. A. Shneiderov, cameraman I. M. Tolchan. Photos of scientists who participated in the expedition: Fersman, Nalivkin, NI Vavilov. The members of the expedition climb the Pamirs: they walk along the glacier, overcome the cracks of the glacier. Biologists examine the soil under a microscope. Plants, trees in the Khoroch Botanical Garden. Sanatorium Garm-Chashma; patients bathe in a healing spring; hydropathic establishment. Camp of the geological expedition of the Academy of Sciences of Tajikistan. Geologists are exploring minerals found in the Pamir Mountains. Meteorological station in the mountains. Construction of Nurek and Ragun hydroelectric power plants. Climbers nail down a memorial plaque to the stone in memory of the participants in the Pamir expedition of 1928-1933.