Carnal

The smell of the rifle, the feel of the explosion. Those were the things that Cierra lived for until meeting Steven Watson. She was given an assignment, kill the girl. Now she has to decide between the romance she wants to pursue with Steven or the job she's being pushed to complete. Which will win out.

He was trying to protect his sister, he wasn't looking for a romance. Meeting Cierra was the last thing Steven thought would happen. Finding out who she really was. . . changes everything he thought was happening.