Nicholas' Bride - Runaway Brides Series, #6

When she finds a badly beaten man, she's compelled to help . until she discovers he is the rugged cowboy lawman she despises. He never did get along with the hotheaded vixen, but her beauty and attitude change makes him too curious for his own good. Promises are meant to be broken. But hearts are not. Lydia Swanson's habit of being in the wrong place at the right time leads her to discover an injured man who turns out to be the lawman she can't stand.
When they last met, he had the audacity to steal a kiss when she was most vulnerable. But her heart tells her to care for him, regardless of their past. Pinkerton agent, Nicholas Drake, will do anything to heal his body, even allow the irritating beauty to care for him. He's after a criminal, and he can't let his injuries stop him. However, she has different plans, especially when she wants to help. Can the two forget about their past mistakes and learn to forgive? Step into this sweet and wholesome Historical Romance, where tender passion is subtly woven, allowing your imagination to complete the story.