The fate of a tank crew on the most difficult part of the First Czechoslovak Independent Brigade's combat path during World War II. We also follow the fate of its commander, Sergeant Juraj Klimka. During the bloody battles for the Dukel Pass, he falls in love and it turns out that behind the mask of a sovereign, he is actually a shy and sensitive person.
The movie describes proletarian life in the Czech Lands after World War I.
