Betsy and Ty Franklin, owners of Franklin Dairy Farm in southern Alabama, have long since buried their desire for children of their own. While Ty manages their herd of dairy cows, Betsy busies herself with the farm's day-to-day operations and tries to forget her dream of motherhood. But when her free-spirited sister, Jenna, drops off her two young daughters for "just two weeks," Betsy's carefully constructed wall of self-protection begins to crumble.

At age twenty-four, Winston Churchill was utterly convinced it was his destiny to become prime minister of England one day, despite the fact he had just lost his first election campaign for Parliament. He believed that to achieve his goal he must do something spectacular on the battlefield. Despite deliberately putting himself in extreme danger as a British Army officer in colonial wars in India and Sudan, and as a journalist covering a Cuban uprising against the Spanish, glory and fame had eluded him.

Through their shared loss they forge a deep friendship, asking critical questions. Who was their friend and what did her life mean? Are they living the lives they imagined for themselves? Will they ever be able to afford to retire? How will they maximize their happiness? Security? Health? And ultimately, their own legacies?

A plan is conceived and unfurls with each turn of the tide during one sweltering summer on the Isle of Palms. Without ever fully realizing how close they were to the edge, they finally triumph amid laughter and maybe even newfound love.