A remake of Vávra's 1948 atomic age thriller Krakatit.

Soviet engineer Kuznecov is coming to Prague as an expert on work with the tunneling shield in construction of the metro. He is returning after more than thirty years. In May 1945 as a young soldier in the Red Army he was seriously injured in the liberation of Prague and while recovering experienced a great love with a young teacher called Vera.

When famous detective Nick Carter visits Prague, he becomes involved in strange case of a missing dog and even stranger carnivorous plant. He becomes convinced that he is standing against his greatest enemy, the Gardener, who supposedly died years ago in a swamp...

At long last, King Dalimil and Queen Eliška have produced an heir, Princess Růženka. Consumed with envy, Eliška’s sister Melánie casts a curse: On the day Růženka turns seventeen, she will prick her finger and fall into a deep sleep together with the entire kingdom.

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.