Dash and Lily have had a tough year since they first fell in love among the shelves of their favorite bookstore. Lily’s beloved grandfather suffered a heart attack, and his difficult road to recovery has taken a major toll on her typically sunny disposition. With only twelve days left until Christmas—Lily’s favorite time of the year—Dash, Lily’s brother Langston, and their closest friends must take Manhattan by storm to help Lily recapture the unique holiday magic of a glittering, snow-covered New York City in December.