PULLED UNDER by Lisa Renee Jones is Book Two in the "Walker Security" series. This is the story of Sierra and Asher.
Asher was son to a very rich man who he rebelled against and ended up in the drug underworld before getting out and bettering himself. Now he is a part of the Walker Security team and is asked to return to that world after being gone from it for almost 10 years. Asher is needed to help solve some murder cases of young women and they think Ju-Ju a drug dealer may be involved in. While doing this undercover work he meets Sierra. Sierra is a tough, hardworking smart mouth but underneath he sees that she has painful past...and secrets. Asher vows that he will now be her protector...but will she every open up about her past.
Sierra is on the run from her past just trying to get enough money to live on and to stay ahead of the past. Sierra has trust issues which makes it very hard for her to trust Asher and open up with what is going on.
This was really an exciting story line that you cannot put down...you want to know what is going to happen with them.