Though American by birth, Frances Wynn, the now-widowed Countess of Harleigh, has adapted admirably to the quirks and traditions of the British aristocracy. On August twelfth, otherwise known as the Glorious Twelfth, most members of the upper class retire to their country estates for grouse-shooting season. Frances has little interest in hunting?for birds or a second husband?and is expecting to spend a quiet few months in London with her almost-engaged...