Five Red Army soldiers, who found themselves in the rear of the Kolchak troops, captured an enemy armored car and captured an intelligence officer. From him they learn that soon a steamer with weapons and ammunition for the upcoming white counteroffensive is due to pass along the river. How to stop the ship, capture it, and then transport such a valuable cargo through ambushes and cordons of Kolchak troops entrenched on both sides of the river?..

The youth field team of the Ukrainian collective farm comes to Moscow to participate in the All-Union competition of pop groups. The guys really want to win the first prize. They are also worried by others. At the Exhibition of Economic Achievements an experimental model of a tractor is presented, which is very necessary on their collective farm. But how to get this tractor to undergo field tests with them?