Film shows the struggle of the Czechoslovak armed forces against groups of Ukrainian Insurgent Army (UPA) under command Burlak, who tried to pass through the territory of Slovakia.
Direction
Mach crafts tense woodland standoffs with minimal resources.
Production
Shot on location in Slovak forests, authenticity through necessity.

Director
Josef Mach
Trivia, insights & behind the scenes
Made during Stalin's lifetime, this was part of Czechoslovakia's campaign to delegitimize Ukrainian nationalism and justify post-war border security.
The real 'Action B' was a 1946-1947 border operation; the film's 1952 release coincided with Slánský trial paranoia about 'Western agents.'