Island Rescuer by Regan Black

Always the good girl, she dreamed of reforming the bad boy… Now she needs the protection only he can provide.
Heiress Harper Ellington is an expert at dodging charming opportunists. But the one man who truly captures her attention, Knox Moore, remains an enigmatic mystery.
His sudden presence in her familiar world feels different, charged with an undercurrent she can’t ignore.
When danger comes crashing down on Harper, the truth about Knox’s work as a Guardian Agency protector explodes into the open.
While he shelters her in the quaint small town of Brookwell Island, a high-stakes game of survival unfolds, forcing Harper and Knox to confront their long-held desires as they fight for their lives and a future rooted in an incomparable love.