The foundations of Jewish law are under threat from the followers of a man called Jesus. These people have reached Damascus. They must be stopped. Saul, uncompromising and brutal, is the man for the job. But by the time Saul reaches Damascus he is blind and in shock. What could have happened to him on that journey? How does a man react when his beliefs are turned upside down? Now calling himself Paul, can he convince his former enemies to trust him? Can he convince the world that Jesus's teachings are for everyone? Through treacherous journeys, passionate preaching and long letters, Paul tries to tell the world what he believes, but will it make any difference?