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?..

Columbus' 4th voyage has been a total failure: he has not found the westward passage, he has no gold to show, he has lost men and ships and his efforts to build a colony have fallen through. The monarchs of Spain are not going to restore the rights and privileges which were taken away from Columbus after the first voyage. And Columbus will be shamed. Many of his sailors who have survived, can't face the journey home. They will choose to remain on Hispaniola or neighbouring Puerto Rico.

The screenplay of his own novel, wrote the grandmaster, the champion of the USSR chess Alexander Kotov. Tape of the world chess champion Alexander Alekhine.