Alvirah Meehan teams up with private investigator Regan Reilly, and they get in the middle of a case involving a beautiful eighty-foot blue spruce that has been chosen to spend the holidays as Rockefeller Center's famous Christmas tree.
Karen and her friends have some very special ideas about how to spread Christmas cheer, but when the three girls have a fight, it looks like their plans could fall apart.
Jack does not think that he will enjoy the cold and snow of Christmas at his grandfather's house, but then he is delighted when Grandfather brings three chickadees inside and they become living decorations for the Christmas tree.