Stolen by the Laird. The Conquered Bride Series, #4

She was supposed to be his prize... But not all rewards are sweet... Laird Brody Keith, Marischal of Scotland, has been asked by his future king to travel with William Wallace to Dunnottar Castle, where they will seize the castle back from the English. If he completes his mission, the castle, the land and all it holds, will be his. Brody is more than eager to sink his blade into the hearts of his enemies after the brutal murder of his sister and father.
But what he doesn't count on is finding an English lass in need of his protection... Lady Guinevere has led a less than pleasant life in Scotland over the past year, and now she can either run for her life or accept the proposal of a man who should be her enemy. Survival bids her to acquiesce, but that doesn't mean she has to play nice. Except, she's coming to adore the people whom she's always been told she should hate, and respect the man who risked his life for her.
Joined for a mutual purpose, Brody and Guinevere seem doomed from the start, but as time passes and their true enemies draw closer, they'll form an alliance that not even the devil himself can break.