Secrets of the Night (Mallorens & Friends #4)

Young Rosamunde Overton is forced into a daring deceit when her elderly husband cannot sire an heir. So when she flees a masquerade and happens upon an injured nobleman, Rosamunde might just have the answer to her prayers. Lord Brand Malloren is far above her station, but he's smitten by this masked lady who has taken him captive. Rosamunde has also fallen in love, but her reckless plan depends on secrecy. And to reveal herself could cost her everything...