This book tells the story of an unnamed cat who wanders from place to place and meets various types of cats, both stray cats, domestic cats and pedigree cats, with various different characteristics and behaviors. From this journey, he gained many experiences that he had never experienced before. During his journey, in addition to interacting with fellow cats, he and the other cats also paid attention to the behavior of humans around them. Sometimes, because it is good, they also want to do something that humans do, but sometimes they also laugh when they think what humans do is as bad as what they do..