His Secret Mistress by Cathy Maxwell

At the Logical Men’s Society—an exclusive bachelor’s club—brandy flows like water, bawdy stories abound, and a gentleman tempted to marry is always persuaded to reconsider . . .

Brandon Balfour made the mistake of trusting his heart to the exquisite, strong-willed actress, Kate Addison, with whom he shared one intimate night before fate intervened. Now a decade later, Brandon is a leading member of the Logical Men’s Society—for no woman since Kate has managed to captivate him.

To Kate, the memory of that night still burns strongly, because it was followed by a stunning betrayal. A chance encounter may have brought Brandon back into her life, but that doesn’t mean Kate will ever forgive him. She’s vowed to make him pay—even as she realizes the promises of the young love they once shared are still etched upon her heart . . .

Loving her exiled him.
Trusting him ruined her.
And now, a clash of passions threatens everything each of them ever desired.