Roy, who has always wanted a dog, thinks he's found the perfect pet when an explorer from the planet Queekrg, whose inhabitants are all dogs, crash lands in the backyard.
On an island inhabited solely by cats, expert hunter, Tom Plug, hires himself out to the aristocratic, but very hungry, Bampton-Bush family as provider of food.
Pampered ten-year-old Arabella thinks that by becoming a cat, she can avoid being sent to boarding school by her mother's fourth husband, but she finds her new life fraught with unknown terrors and learns that her former life was not so bad after all.
Describes the life of Scat, a street cat without a home and compares her life to the lives of other rich cats, until one day even Scat finds a home and a warm bed of her own.