R. Barri Flowers 
Captured On Kauai [EPUB ebook] 

Trusting each other could cost them everything…To discover why a fellow agent was murdered, Dex is undercover at Kauai’s most beautiful resort. And when its owner, Katrina receives threatening letters, Dex wonders if her husband’s recent death could be connected. But uncovering an insidious conspiracy together means Dex and Katrina must put their fragile trust — and irresistible passion — on one deadly line…