March 1912: Twenty-four-year-old Elspeth Dunn, a published poet, has never seen the world beyond her home on Scotland's remote Isle of Skye. So she is astonished when her first fan letter arrives, from a college student, David Graham, in far-away America. As the two strike up a correspondence -- sharing their favorite books, wildest hopes, and deepest secrets -- their exchanges blossom into friendship, and eventually into love. But as World War I...