Heart's Journey — Anne Powers

Lady Elspeth was the most beautiful woman Thomas had ever seen. Tormented by desire, he despaired of ever possessing her, for she was a noblewoman, as well as being the sister of his sworn enemy, Sir Stephen Ufford.

Then there was Lady Margery, Sir Stephen's wife, a dark-haired hoyden whose youth and spirited charm had caught the eye of King Edward III, the proud Plantagenet ruler whom Thomas served.

Try as he might, Thomas found himself passionately entangled with the Ufford women, though he owed Sir Stephen a debt that could only be paid in blood.