During his visit to the United States, Pope Pius XIII is kidnapped by a terrorist group calling itself the "Army of Islam." They threaten to execute the Pope if the U.S. does not meet their demands. However, when FBI specialist Shari Cohen is assigned to track down the terrorist group, she discovers that she is not alone in this mission. The Vatican has dispatched its own secret elite command - the Knights of the Vatican. Their mission: to bring the Pope back alive. Together, Cohen and the Knights uncover a conspiracy within the White House that reaches the highest levels of government. Just as Shari Cohen is about to uncover the truth behind the Pope's kidnapping, she becomes a target of forces within her own country that want to keep this secret at all costs. But anyone who wants to get to her must first contend with...