Otto Kotýnek

School supply teacher timid folk art Ales Brabec won first prize at a music festival and will therefore offer to work for the Prague little theater in the basement. Its director Soukup just needs a few songs for the upcoming musical, and so is willing to do everything to Alex to create the right atmosphere for composing.

Two kind but foolish sisters live together in their villa in a small town in South Bohemia. Fany (Natasa Gollová) has never married and Andelka (Eva Svobodová) is a widow. In the morning, the two sisters go into town. They need to buy fuel oil, put money in the bank and give plums to the teller. In the meantime an smallish orange Skoda MB car parks at their house, with Hermínka (Iva Janzurová), the old ladies' niece, and her fiancé Michal (Jirí Hrzán) in it. Michal has forgotten to bring flowers and has to go into town to fetch them. At the bank, Fany wants to deposit money but the minute the teller opens the safe, a thief arrives. He knocks the teller and Fany unconscious and runs away with the money. When Fany comes to her senses again, she sees Michal and accuses him of being the thief.

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.