内容简介：
In the summer of 1939, the Gourlay family in their modest Glasgow tenement and the Cartwrights in their luxurious West End home face the horror of another war. Richard Cartwright becomes a fighter pilot; the Gourlay twins' husbands fight in France and Virginia Cartwright becomes a Red Cross Nurse on the Home Front in Glasgow. They also face the consequences of a shattering revelation as the secrets and lies that have dominated all their lives are uncovered, and the mystery that has bound the two families together is finally solved.