When Ashton Lowe took the job to protect a wealthy man's sister heading from the dangers of the frontier, the mission sounded simple enough. It didn't help that she had been alone out there for two days already by the time Arthur contacted him--all it meant was a price hike, though. How much trouble could she get into in two days and change?

Cora Little had no business being alone out West, and she knew it. That didn't change her mother's...