In December 1941, Czech soldiers Jozef Gabčík and Jan Kubiš parachute into their occupied homeland to assassinate Nazi officer Reinhard Heydrich.

During the Nazi occupation of Czechoslovakia, surgeon Dr. Franticek Svoboda, a Czech patriot, assassinates the brutal "Hangman of Europe", Reichsprotektor Reinhard Heydrich, and is wounded in the process. In his attempt to escape, he is helped by history professor Stephen Novotny and his daughter Mascha.

Czechoslovakia, 1941. As the war continues, Reich Protector Reinhard Heydrich arrives in Nazi-occupied Prague and establishes a regime of terror that will force freedom fighters to act. But the price to pay will be too high.

Czechoslovakia, 1942. Three brave Czech patriots risk everything to rid their country of its brutal Nazi leader, SS-General Reinhard Heydrich.

The assassination of Heydrich in Prague during WWII.

The plot begins in the Soviet Union showing first efforts to establish the Czechoslovak legion in 1942. The film also shows the assassination of Heydrich and the subsequent annihilation of Lidice. The main topis of the film is battles with German troops for Sokolovo.

In 1942, a young paratrooper in the RAF returns to Czechoslovakia to encourage his fellow countrymen to sabotage the German war effort.

The true story of the massacre of a small Czech village by the Nazis is retold as if it happened in Wales.