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.
Civil engineer Luděk Turna accepts an attractive offer from a Prague design office. He tries to get ahead even at the cost of deception, but he recovers in time and voluntarily leaves to build a motorway...
A remake of Vávra's 1948 atomic age thriller Krakatit. Engineer Prokop creates the devastating explosive “Krakatit” and soon confronts manipulative agents and imperialist conspiracies. Realizing his invention’s threat, he fights to prevent its misuse, risking everything to stop those who seek to exploit his epochal discovery.
