Fallen (Wind #8)
Cindy Holby

Had she lost her heart when he rescued her from ruffians or when she first looked into that face like a golden angel's? No matter when it began, Isobel knew there was no hope of a happy ending for a rebel Scottish lass and a red-coated Sassenach.
Betrayed by the girl he loved, disgraced before his commander, wounded in battle and left for dead, John thought he'd hit rock bottom. But the sweet touch of a lover he'd never thought to see again taught him that no matter how far a man falls, with the right woman at his side, he can always stand tall.