Her Lieutenant protector

"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"--