In her eightieth year, Agatha McGee is feeling her age, more tired and less a part of daily life in town. When an article in the local paper tells the whole town about her failing health, Agatha decides she's spent enough time in the house. During her attempts to return to society, a flood hits the Badbattle River, engulfing every house except hers. Staggerford needs Agatha like never before, and seven neighbors, friends, and former students seek refuge with Agatha for four days and nights.