The film is dedicated to the expedition of climbers to the Tien Shan and the ascent to the top of the Khan Tengri peak. Climbers - a technician for the installation of vacuum devices V. Bezlyudny, surgeon V. Vorozhishchev, pediatrician B. Romanov at work, mining engineer V. Lavrinenko for a walk with his wife and son. V. Bezlyudny, V. Vorozhishchev, B. Romanov talking on a street in Moscow. Route map. Landscapes of the Central Tien Shan mountains. Climbers are crossing a mountain river. The equipment is being loaded into the helicopter. The helicopter is in the air, the cargo is dropped from the helicopter to the place of the future camp of climbers. Climbers with a caravan of horses loaded with cargo, accompanied by a guide, climb the mountains. Climbers in the camp: doing gymnastics, having breakfast, exercising. Expedition doctor Lydia Romanova performs a medical examination. Landscapes of Khan-Tengri peak (daytime and evening). Climbing to the top. Climbers on the rocks. Halt. Climbers, including L. Romanova, at the top of Khan Tengri.