Billy is an impudent rascal, who torments cats with its rotznasigen Kumpanen with preference. A daily drives it it too far and excites the anger of Ali, the magician. To the punishment it transforms Billy into a small cat, so that it sees, as it is, in the skin of an animal to be been. Now he victims of pursuit by its friends, is rushed by graesslichen dogs and killed near in an abort house. But a rescuer in the shape of Sir Hubert, an eccentric cat with English ancestors appears there. It leads Billy to different fodder places, only unfortunate that Billy everything finds disgusting, what Sir Hubert appears koestlich. It leads it also to its magnificent living place, an old Cadillac at a scrap iron place. There Billy saves the pigeon jumbo jet from the always hungry Sir Hubert.