1997: After a romantic proposal in Paris, Rachel and her fiancé, Alex, are in a cab when suddenly the car ahead crashes. They’re stunned to learn Princess Diana is in the car. By the wreckage, Alex finds an engraved heart pendant and gives it to Rachel to hold. Rachel is intrigued when she discovers that Di had visited the last home of Wallis, the Duchess of Windsor, only hours before the accident. Eventually, the revelation of a long-forgotten link to Wallis Simpson leads Rachel to the truth behind a scandal that shook the world. . . .

MRS. SIMPSON TO WED PRINCE OF WALES . . .

1911: When fifteen-year-old Mary Kirk meets Wallis Warfield at summer camp, she’s captivated by her fearless, brazen, and self-assured personality. And Wallis has a way with the boys, who are drawn to her like moths to a flame. Though Mary’s family isn’t crazy about her new best friend, she steadfastly stands by her side—even years later when they’re adults and rumors swirl about Wallis and her reckless behavior with none other than the Prince of Wales. But when Mary’s loyalty to Wallis comes into question, their friendship will be put to the ultimate test.