Twilight 0f Memory (Historical Regency Romance)

She's the mystery debutante of the season who arrived on the London scene as if from out of nowhere. But Lord Damon Ravencroft knows her dark secret. Three years before she stole from him a rare and valuable opal once belonging to Empress Josephine and he intends to be compensated for its loss, which set him back years in his quest to prove his innocence in a crime he didn't commit. The sizable dowry that comes with Lady Elizabeth Sheffield's hand in marriage is a start. It's also his price to keep her secret from all of London.