The next guest at the Pet Hotel is a tabby cat named Matilda. But Meg and Charlie are worried, because she doesn't want to play--all she wants to do is hide and nap! What's wrong with Matilda? In the meantime, Elvis the cockatiel is causing trouble during his stay. He keeps stealing food from the kitchen, and he won't leave Matilda alone! Is he just a mischief maker, or does he know something about the tabby cat that Meg and Charlie don't?