For Lucy Stone, the best thing about Christmas in Tinker's Cove, Maine, has always been the annual Cookie Exchange. But the usual generosity and goodwill are missing from this year's event, which turns out to be a complete disaster. Petty rivalries and feuds that have long been simmering finally come to a boil, leaving a bad taste in the mouths of many guests, including Lee Cummings-who accuses Tu...