Emma is the runt of the litter and dreams of someone coming to claim her and take her home. That "someone" comes in the form of a man and woman and a beagle named Mo who adopt her. Once home, she realizes through a series of mishaps that she has much to learn in order to adjust to her new life. Emma is determined to try her best to fit in and can only imagine the adventures that she will be able to share with her new brother, Mo. These adventures will be told in future books.