A squad of rebels attacks a peaceful caravan, and the old guide Sho-Murad and his granddaughter Pery find themselves in captivity of the bandits. Border guards and a sheepdog Dzhulbars repulse prisoners and neutralize enemies.
A Mongolian expedition led by Professor Jambon and a group of Soviet explorers travel through the desert to the Alamas Mountains, where large oil deposits are believed to be located. Among the members of the expedition there is a saboteur, on whose tip the expedition is attacked...
A geological expedition looking for gold in the Russian taiga is beset by a gang of thieves.
