"Determined to conquer a lifetime of shyness, Harriet Knight challenges herself to do one thing a day in December that scares her, including celebrating Christmas without her family. But when dog walker Harriet meets her newest client, exuberant spaniel Madi, she adds an extra challenge to her list--dealing with Madi's temporary dog sitter, gruff doctor Ethan Black, and their very unexpected chemistry"--Amazon.com.