When his beloved dog goes missing, a young man embarks on an incredible search with his parents to find him and give him life-saving medication.

When a friendly cabbie tells two young sisters the story of a boy named Leo who moved to Manhattan with his family, a magical adventure begins. While adjusting to the big city and enjoying the days leading up to Christmas, Leo accidentally loses his dog Ramona in Central Park. Leo is devastated by his loss until a magical creature named Little Spirit appears.