When a pair of adorable kittens joins the family, Marley is so excited to have two new friends to play with that he follows the felines everywhere. But Marley is no graceful kitten. By imitating their gentle behavior, he unintentionally makes a mess all over the house and gets into big trouble for it. What did I do this time? he wonders. Marley is afraid he may have lost his number-one status in the household . . . until an unlikely pair reminds him and his family that no one's purrrrr-fect!

In a story that hilariously reveals the differences between cats and dogs, everyone's favorite misbehaving pup learns from some new friends just how special he really is.