In this dazzling finale to the latest trilogy from New York Times bestselling author Jane Feather, the inimitable, anonymous Duncan sisters continue to earn a living—and a reputation—with their clandestine matchmaking service. But a handsome new client has thrown youngest sister Chastity into a professional, and quite personal, quandary.

From behind her opaque veil, Chastity listened to Dr. Douglas Farrell's distressingly unromantic requirements for a wife: wealth and social status. Her instinct was to refuse a man with such mercenary intentions. But she couldn't turn away a paying client. Obviously, if the tall, muscular, dark-eyed physician had wanted a love match, he'd have found one himself. Yet the truth about the pragmatic doctor is one that could very well turn her head—and steal her heart—providing she discovers it before it's too late.

At the age of thirty-five, Douglas Farrell was ready to sacrifice his bachelorhood for his true passion—caring for the poorest of London's poor. But his dream requires capital. For that, he is convinced he needs a wealthy, well-connected wife. And for that, he needs the services of one mysteriously disguised, peculiarly accented—increasingly captivating—woman who will reveal herself only as the Mayfair Lady.