Penny Rushmore is a typical baby boomer, sandwiched between her warring teenagers and her increasingly dotty mother, while running her own P.R. business and worrying about a wayward husband, hot flushes and an expanding waistline. When Penny is given her great-grandmother's letters, she is almost at the end of her tether. Will the words of a woman from another time help Penny deal with having to split her time so many ways?