On the surface, Sloane has the perfect life-an adoring husband, a precocious daughter, and enough financial security to be a stay-at-home mom. Still, she can't help but feel as though something-or someone-is missing. Hillary has a successful career and a solid marriage. The only problem is her inability to conceive. And there's a very specific reason why. As the wild-child daughter of old family money, Georgina has never had to accept responsibility for anything. So when she realizes an unexpected life change could tie her down forever, she does exactly what she's always done: escape. When these three women unite for a three-week-long summer vacation, tensions begin to mount, and they quickly discover that their secrets can't be kept forever.