Gourd Island is suddenly cut off from the earth by a huge explosion of "Gourd Mountain," and begins to drift away. The island is inhabited by a group of unique characters, including Don Gabacho, the delightful president, a boy genius, a pirate named Tiger Beard, Sheriff Dandy, Dr. Sunday, a lion, and many others. Wherever they are swept away with Hyotanjima, there are many unorthodox events. The strange characters who visit the island one after the other add to the chaos and mayhem that ensues. How far will Hyotanjima's strange and tumultuous adventures take them?