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?..

End of XVII century, Dagestan. A young outlaw named Khochbar accompanies the daughter of the nutsal of Khunzakh Khanate, Saadat, who was married for political reasons to the son of the Shamkhal of Tarki. During the long road, the young princess develops feelings towards Khochbar...