Otto (Ulmen) and his friend Leo (Verhoeven) are German veterinarians, travelling Japan looking for Fish to buy and sell. They meet young German fashion designer Ida (Lara) and they both fall in love with her. Ida doesn't care for Leo, and she ends up with Otto. They soon get married, and Ida discovers that she's pregnant. That's when problems arise, since Ida wants to have money and a real house for their kid to grow up in, and Otto has no ambitions and is happy with the way things are. As Ida travels more in order to sell her fashion, she makes more money and she grows apart from her family.