Lady Emily Calloway has everything a debutante could want, including a fairy tale engagement to a fabulously wealthy lord. Her wedding should be the highlight of the Season-until her fiancé's older brother announces his own upcoming nuptials. Society is riveted to learn that the heir to a dukedom will marry an unknown American. Seething with envy, Emily is burdened with the task of introducing her rival to London Society...and is shocked to discover her own attraction to the beautiful heiress. Miss Rebecca Tremblay might have left a trail of broken hearts behind her in New York, but she is determined to make a fresh start in London. Marrying a marquess will settle her restless ways, if only she can deny her forbidden desires for sophisticated and elegant Emily. If Emily and Rebecca yield to their passion for each other, they must make a choice that will change their futures forever. Will ambition prevail-or their hearts?