Her Lieutenant Protector (Doctors in Danger #3)
Lara Lacombe

After a traumatic incident years before, Mallory Watkins, ship's doctor aboard the Abigail Adams , doesn't trust easily. On her latest cruise, she's wary of sexy security chief Everest LeBeau, but when passengers suddenly fall sick and a dead body is uncovered, Mallory must turn to the handsome veteran for help.
Wary of intimacy since suffering a life-changing injury, veteran Everest recognizes a kindred spirit in Mallory. His beautiful coworker stirs tender feelings in him he'd long forgotten. While Everest and Mallory close in on a lethal saboteur, trust is at a premium as their hearts--and their lives--are in peril.