Daring the Highlander by Lydia Kendall

He wanted to make her his; for now and infinity to come…
Bernadine Nibley grows up in a household nurturing an insurmountable hatred for Scots. When her father insults a Highland Laird while attending the ball of the year, her reality shifts abruptly in the most unexpected way.
Donnan Young, powerful Laird of his clan, leads the brutish life of a Highland warrior. Short-tempered as a bull, he loses his mind when an obnoxious Englishman attacks him, speaking badly of his kin. Deciding to avenge him, he kidnaps his daughter from under his nose.
But while the lass ultimately wins his heart, he fights to win hers…
Until the day mysterious occurrences start happening in Vernuit Castle. With an unseen con man lurking in the shadows, the couple has only a few hours to outrun the evil that has been unleashed upon them…