Sentiment to the Heart. The Avery Detective Series, #1

After a disastrous situation causes Parker Avery to lose her position at the Orlando Police Department, she opens up a private investigation firm. However, business isn't what she thought it would be, and after spending several weeks without a case, she reconsiders her decision. Just as her discouragement is getting the best of her, Kent Walker arrives at her office with a fresh case. The older man, occupied by his granddaughter, asks for help finding a map that was stolen from his boat.
As Parker looks deeper into Kent's story, she finds an adventure filled with mysterious undoings and a treasure that is hidden on a faraway island. Parker accepts the case immediately and upon Kent's request agrees to let his granddaughter Kay help her. As the two women embark on the mission to find Kent's treasure, it is soon clear that they are complete opposites. Parker tries to keep her promise to Kent, bypassing the other woman's negativity to focus on the problem at hand.
However, Kay is good at pushing buttons, and she does everything in her power to get Parker to drop the case. As tension heats up, the two women find themselves in an ordeal that could impact their very survival, and when they are faced with a life and death situation, Parker and Kay finally drop their defenses and see each other for who they really are. Kay realizes that Parker might be the one person who moves her romantically, but Parker still plagued by her past, knows that her buried secrets could ruin the opportunity if they are revealed.