Elizabeth McGovern delves into the captivating tales of young American heiresses whose real-life experiences inspired the beloved series Downton Abbey. Set against the backdrop of the late 19th century leading up to World War One, this series highlights how over 200 daughters of America's burgeoning industrial elite married into the financially struggling British nobility. With their wealth, charm, and cleverness, these women transformed the English aristocracy and influenced the course of history in remarkable ways.