Secret Defender by Debbi Rawlins

An heiress to protect.

Luke Boudreau was a man unlike any other and he would stop at nothing to keep Sydney Wainwright safe — even if it meant kidnapping the headstrong heiress. Only, the tough-as-nails investigator never anticipated that a daring double cross would send him and Sydney on the run.

Now, uncovering the threat to Sydney’s life lay in the clues to a perilous puzzle that only brought the two closer together. Though Luke knew he should keep his professional distance, his feelings for the young beauty became increasingly personal. And now, evading the determined killer on their trail seemed easier than resisting Sydney...