All's fair

the long version

Political campaign expert Kristen Shepherd excels at staying cool under pressure, but this time she's in over her head. After leaving her high-profile fiancé at the altar, she uncovers the shocking truth about the man she nearly married--truth that could ruin her life. With the press on her tail, the only person she can trust is Ryan Jameson, her political opponent and former boyfriend. Army doctor and LDS convert Brandon Shepherd shares his sister Kristen's talent for keeping a level head, and his newfound faith gives him steady strength during times of turmoil. But when he and fellow doctor Rachel Fields are seized as Iraqi prisoners of war, he faces a crisis of personal integrity that may cost him his life. In this gripping tale of unlikely heroes and unexpected romance, two siblings must risk everything for freedom. And in the heat and sand of enemy territory, they discover that all's fair in love, even if not in war.--From publisher description.