The film is a metaphor for the Cold War. It depicts two neighbouring nations: peace loving Fortuna and the not so peaceful land of the Steel City.
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.
During the Second World War, an old fortress is transformed into a detention camp for arrested allied generals who the Germans provide with every possible comfort. In the nearby garrison camp, however, hundreds of captured private soldiers try to survive hunger and cold.
Pavel, a young student living in Prague in 1942, hides a Jewish girl in his apartment building's attic. Amidst the brutality of the occupying German army, love blossoms between the two. He is her only link to the outside world. Then the two are discovered by Pavel's mother, who forces the residents of the apartment building to decide whether Hana can remain.
A selfish self-centered widowed ruler, barely tolerated by his subjects and called appropriately enough, 'King Myself, First' asks his three daughters to name the measure of their love for him. When one of them says, "more than salt", he banishes her from the kingdom. Not understanding what she meant the King assumes love can only be measured by precious metals or one's own talent, the 'correct' answers from his other two daughters. The arrogance of the King leads him to gather all the salt in the kingdom and destroy it. Of course, this backfires as he slowly learns the universal value of the substance, and of course, the essence of his daughter's reply. With the help of the wise and magical old 'herb woman', the King also learns what it means to be a true and wise ruler.
Master armourer Tomás has young wife Alena, of whom he is very jealous. One day the ruler of town sees Alena and decides to win her over for himself. To get a free hand for his love affairs, he sends Master Tomás to acquire more skills in Flanders. Jealous husband does not know how to secure fidelity of his beautiful wife while he is away, and finally accepts aid of the devil, to whom he signs his soul as a reward. Devil in the disguise of Master Ondrej works in Tomás's workshop and protects Alena against various courtiers and the ruler of town. But finally he falls in love with Alena himself and becomes her lover.