The year is 1983. Just outside Beirut, on Highway 51 to Tyre, three masked men bring a Mercedes sedan to a halt. The driver of the car is shot dead; its owner, 63-year-old, Joseph Khouri, is tied and blindfolded and taken hostage. Despite next-to-nonexistent systems of communication in war-torn Lebanon, within two hours, news of the murder and abduction reaches the Vatican. One of the pope's top men in the Middle East, the Archbishop of Tyre, Joseph...