On May 35, you can be prepared for anything. Therefore, there is nothing miraculous in the fact that the pharmacist Ringelhuth and his nephew Konrád are approached by a black horse on the street, go up to their apartment to eat sugar cubes, and then the whole company hides in the hall closet and a few hours later they arrive in the archipelago of the Pacific Ocean. In the meantime, they visit Eldorado, they reach the reverse world, where the parents go to school and the children educate them. At the Pacific Ocean, they are hosted by a real tribal chief and a little girl with pepita skin. After many interesting and entertaining adventures, they return home and are very surprised that Konrád's parents do not believe their adventures. Of course, they didn't realize that all this happened on May 35...