When Helen, the girl in Koal's family is kidnapped, he decides to find her. Even though a cat, he and his companions, Miss Peach and Sparky find clues by interviewing some very quirky cats in the neighborhood. Their dangerous adventures eventually lead them to the evil wharf cats.
Additionally Apricot, Miss Peach's ancestor of over two hundred years, becomes instrumental in solving the mystery as Miss Peach witnesses Apricot's own adventures.