After American surgeon Caitlin O'Donahue nearly lost her life during volunteer work in the jungles of El Salvador, she returned to her family's ranch to discover her father in hiding. Now the place that was once so safe seems dangerous. The only man she can trust is a stranger – a gorgeous rancher with an agenda and deep-set secrets. Undercover agent Rhett Kane is hell-bent on busting Caitlin's father. His assignment doesn't include protecting Caitlin...or taking her under cover in the most sensual way. When his dual lives collide he's left with the ultimate choice. Will he choose love over duty – and will it cost him his life's mission?