Night Shade. Guardians of the Dark, #4

She holds a terrible secret.Tapped for a classified military program, Dr. Eileen McCormick has nothing left to lose. Bad enough her genetic experiments were used to turn innocent victims into zombies. Worse still, a ruthless ex-colleague is threatening to expose her unless she joins his sinister research project. Now the only way she can set things right is to develop an antidote under the watchful blue eyes of Commander Matt Sykes.
An uncompromising man.Matt's penetrating gaze, unnerves her and attracts her in equal measure. The Navy Commander has a sixth-sense for lies as well as danger. Eileen may be the only person who can eradicate the zombie virus before it reaches epidemic proportions, but he still can't let her passionate determination affect his steely cool...or keep him from discovering where her true loyalties lie.
She is a target. He's her protector.As the clock ticks down, Matt and Eileen's uneasy trust may be their only way to avert catastrophe - if it doesn't get them killed first. Eileen is terrified of her former colleagues and drawn to Matt's compelling kisses. The commander will uncover all her deepest secrets, but can they survive the revelations?* Note: Previously published under the title "A Darker Shade of Dead"