'Tis the season for tree trimming, mistletoe-dangling, and a cut-throat competition that has everyone in Caerphilly on edge. Whatever happened to the simple joys and magical spirits of Christmas? Meg Langslow's own mother is among those participating in a holiday-themed design extravaganza in which each room in an untenanted show house is decorated for the public to view. All the proceeds go to charity-so why are all the contestants fighting tooth and nail to win first prize?--