Highland Soldiers 1: The Enemy. Highland Soldiers, #1

Only an enemy soldier could save her life-and her heart. Highlander Callum MacDonell battled lowland Covenanters at the service of the King. Now charged with hunting an assassin, his journey will lead to a murderer's passionate Covenanter sister, Mari McEwan. Betrayed and abandoned by the man she loved, Mari faces judgment by a tribunal of her people demanding she name the father of her unborn child, or be exiled from her beloved home and family.
As she stands trembling before her community, she knows she must refuse. And yet, if she does so, a cruel fate awaits her. Pick up Book 1 in the Highland Soldiers series, breathtakingly romantic Scottish historical romances set during Scotland's turbulent Covenanter era.