"Nick and her cousin, Helena, have grown up sharing sultry summer heat, sunbleached boat docks, and midnight gin parties on Martha's Vineyard in a glorious old family estate known as Tiger House. In the days following the end of the Second World War, the world seems to offer itself up, and the two women are on the cusp of their 'real lives': Helena is off to Hollywood and a new marriage, while Nick is heading for a reunion with her own young husband,...