Marblestone Mansion, Book 4

This time, the duchess had gotten herself into more trouble than ever before. Without friends or a husband to rely on, she found circumstances to be completely out of her control. Yet there was something she could do - an ace in the hole she'd nearly forgotten about. It was sure to work. Moreover, it might be a way to gain the fortune she needed to live out the rest of her life in luxury.

This time, nothing could go wrong.