About the heroic passage of the Red Army detachment through the Pamirs. The action dates back to the 30s. A strong earthquake is taking place in the area of ​​the Tajik village of Qizyl-Bel and the Soviet border outpost located nearby. With the help of the surviving radio station, the border guards manage to report the incident to the headquarters. A detachment of the Red Army is sent to help the victims. Fighters steadfastly and courageously overcome the difficulties of crossing the mountain sp...