The various " sisters, cousins, and aunts " composing the year by year increasing Elsie's relatives gather from the Oaks, the Laurels, the Pines, Woodburn, Fairview, and Roselands to spend their Christmas at Ion with the original Elsie, now a delightful old grandmother. They eat, drink, and are merry for a week, talk over the best way to spend $10,000 a year in charities, and finally have a little adventure with burglars.
