Seven days, or rather evenings and nights, in the life of Jenka (Stanislava Bartosová), a young good-looking nurse. Jenka is attractive to men and enjoys their company, but there is a limit beyond which she won't go, since she is faithful to her Filip, who is doing his military service. On Sunday the girl awaits Filip to arrive on a short period of leave, but instead his friend Míla (Frantisek Nemec) turns up and apologizes for Filip, who has to stay in the barracks.

The bank officer Bedrich Hroch is sent by the bank director to the zoo, which asked an allocation of one and half kg of gold for a gold tooth for a hippo. During the check up of the hippo's teeth Bedrich is swallowed by the hippo. The man does not die in the hippo's guts and he chats quite happily with his frightened wife Dása. Journalist Pip Karen, his friend is also present to the dialogue and he has immediately an idea how to use this special situation. He tells to the new minister Borovec and his opponent professor Fibinger that there is a hippo in the zoo which can speak. He also tells them how to use this situation for a political propaganda.

Czechoslovak counter-espionage intercepts a coded message from the West German secret service ordering death for an unknown person on Czech territory.

This feature film based on the events of 1938 is a chronicle of the futile efforts of the Czechoslovak president Edvard Benes (Jirí Pleskot), politicians and ordinary citizens, to save the independence and the territorial integrity of the state from the advance of Hitler's Germany. On the 29th of March 1938 the leader of the Sudeten Germans Henlein (Werner Ehrlicher) has a meeting with Hitler (Gunnar Möller). Hitler orders him to intensify pressure on the Czechoslovak government. On the 24th of April in Carlsbad, the Sudetendeutsche Partei (Sudeten German Party) decides upon eight demands that are unacceptable to the Czechoslovak President, since they would ultimately lead to the break-up of the Republic. Benes still shows a certain willingness to negotiate, and Henlein resents this. The Germans are determined to make further negotiations impossible through incidents and violence.

On 20th of April 1945 the Soviet army launches its attack on Berlin. The end has come for Nazi Germany and Hitler decides to commit suicide. In Prague K.H. Frank (Nazi Secretary of State and Chief of police in the Protectorate of Bohemia a Moravia) discusses with his commanders how to transform the city into an impregnable fortress, but the Praguers do not intend to wait any longer. From the early hours of 4th of May people start assembling in the streets and tearing down German signs. On the next day, the 5th of May, the uprising begins.

Deputy of cartography enterprise Mr. Ciruvka tries to seduce the colleague's assistant to destabilize his confident in a run for the director's chair. But things can go wrong.