친한 친구인 페페와 데덱, 그리고 프란티섹은 다양한 방법을 이용해 성적인 즐거움을 누린다. 하지만 어느 날, 우연한 계기로 이들 중 한 사람이 에이즈 환자라는 사실을 알게 되고, 지금까지 끈끈하게 유지했던 이들의 우정은 흔들리기 시작한다. 80년대 후반의 체코 사회, 특히 젊은 세대들 사이에 떠돌았던 공허한 분위기를 유머러스한 태도로 포착한 작품.
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.
