Meet Murphy, a clever sheltie puppy! Kat and her BFF Maya love playing with the puppies at her aunt Jenn's grooming business, Tails Up! The girls know that every dog has its own special personality...and problems. Luckily, Kat and Maya are always there to help a puppy in need! When a shy shetland puppy named Murphy is boarded at Tails Up!, Kat and Maya can't wait to play with him! But after Kat invites new-girl Grace to join them, Kat notices Maya is less than pleased. Can sweet little Murphy help bring the three girls together?