Lord Sebastian and the Scottish Lass - A Seabrook Family Saga, #4

Although this book is part of a series, it can stand alone. Sebastian Seabrook volunteers to go on a quest to find his long-lost, half-sister. After all, nothing is left in London for him after the woman he always believes he will marry, eventually, runs off to Gretna Green with a gentleman she's just meet. During his travels, a violent thunderstorm sets in, and Sebastian becomes lost in the northern countryside of England.
He is attacked by highwaymen and left for dead. Upon awakening, he finds himself under the care of a Scottish lass who appears to be hiding secrets. Teagan Murray, running from her father and the brute of a man he wants her to marry, flees Scotland with her brother and crosses the border into England. They set up keep in an abandoned cottage and adopt false names. One day, they encounter an unconscious man, and bring him home so Teagan can nurse him back to health.
They strive to keep their true identity from the injured man. Afraid he may have been sent by their father. During his convalescence, Lord Sebastian uncovers the truth about Teagan and the more he gets to know her the more he yearns for her and wants to keep her safe. As Murray's men descend on the cottage with orders to kill, they take to the forest in hopes of staying alive. Will they make it to the safety of his family home alive?