The Bahamas, 1941. Newly widowed Leonora "Lulu" Randolph arrives in Nassau to investigate the governor and his wife for a fashionable New York magazine. After all, American readers have an insatiable appetite for news of the Duke and Duchess of Windsor, that infamous couple whose love affair nearly brought the British monarchy to its knees five years earlier. And what more compelling backdrop could there be than a wartime Caribbean paradise, a colonial...