The headquarters of the Marshal Tito's Liberation Army are surrounded by Axis forces. The Partisans have no choice but to fight their way out of the encirclement and face the enemy on the plains of Sutjeska.

Boris Buzančić plays an idealistic young doctor who is assigned a nearly deserted village. The backwards residents at first resent Buzančić's new-fangled methods. Gradually, he proves his worth and wins their confidence. The clincher comes when Buzančić rids the community of a despotic villain.

A scientist who swore off playing chess after a nervous breakdown as a boy wunderkind, creates an undefeated chess program. But the Russian world champ beats Tommy Rosemund's masterwork in a televised match. So the West German mathematician becomes a top chess pro himself, which the West German media boast will prove the superiority of Germany and democracy. The jowly, white-faced Rosemund believes that the entire Red Communist bloc is out to stop him from vanquishing their atheist pretty boy, Stefan Koruga, to become the next Bobby Fischer and a symbol that capitalism is preferable to socialism.