It started out as an impulsive lark for Lily Morrisette, fueled by her strong chemical reaction to sexy Zach Taylor. A tough, blustery, yet tender-in-spite-of-himself career military man, Zach's determined to break up his darling "baby sister" Glynnis's wedding engagement . . . and Lily's coming along for the ride. But there's no Glynnis waiting for them at the end of the line—only a ransom note . . . and a death threat.