All I Want for Christmas Is You

Mariah Carey, a young girl, wants a dog for Christmas, and after seeing a hypoallergenic poodle named Princess at the pet store, she convinces her father to let her have Jack, a scruffy Jack Russell Terrier. However, Jack proves to be a handful, causing chaos and destruction throughout the town. With the help of her family and a newfound understanding, Mariah learns the true meaning of Christmas and finds a way to make Jack a part of the family.