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.
Kastl is a hairdresser but his real passion is his second job as football referee. This job takes all his free time and makes his wife very nervous.
Lemuel Gulliver (Lubomír Kostelka) has had a car accident and continues his journey across the unknown countryside on foot. On the road he finds a dead rabbit dressed like a man and takes a watch from its waistcoat breast pocket. The half-ruined house that he enters reminds Lemuel of his childhood and brings up a painful memory of a dearly loved girl Markéta who was drowned years ago. Gulliver finds himself in Balnibarbi, a country where he doesn't understand the laws and habits and so continually offends against public decency. It is a day when people are ordered to keep their mouths shut and they force their visitor to follow suit. He faces harsh interrogation and finds it difficult to explain that he is not the rabbit Oscar whose watch has been found in his possession.
Czechoslovak counter-espionage intercepts a coded message from the West German secret service ordering death for an unknown person on Czech territory.