Charles and Lizzie Peterson love puppies. Their family fosters these young dogs, giving them love and proper care, until they can find the perfect forever home. Lizzie Peterson is excited to watch her best friend Maria in an equestrian competition. As the horses get ready to compete, a curious dachshund races straight into the ring! When Lizzie finds that the puppy belongs to a family who is a bit overwhelmed, she decides to help them re-home Barney....