In a Kazakh village at the beginning of Soviet power, a wealthy kulak (landowner) voluntarily denounces his opposition to the new regime and hands over his large home to be a new school for the children of the villagers. But three people in the village have difficulty believing that their class enemy is now their friend.

The stationmaster of a railway station situated in the steppes of Kazakhstan discovers a rubber-bearing plant. Soon, an expeditionary team arrives, led by Professor Shakhron, who will persistently argue—by hook or by crook—that there are no rubber-bearing plants in these steppes, all the while plotting a trip abroad. In ultimately exposing the professor, the team forces him to admit to concealing the results of their work.

About the non-stop flight of three Soviet pilots around the globe on the stratoplane "Pobeda-1".

In Dzhezkazgan, to work in the mines, come Sapar and Sharip, just that graduated from school, but did not enter the institute. Sapar - a hot, enthusiastic and responsive young man, and Sharip - a style and cynic. About how their further fate, about how both of them found their place in life and became good miners, and tells the film.

At the collective farm’s animal-breeding station, the young naturalists lose a fox named Serebryanka, which has run away. The children ask an old hunter, Mukhtar-aga, to catch the fox with the help of a golden eagle. The hunter agrees. In the duel with the fox, however, the eagle is defeated. Mukhtar-aga is distressed: the bird is no longer fit for hunting. Then the children decide to catch a young eaglet and give it to Mukhtar-aga. Khasen and Sasha set off for the mountains…