Before the church. Before the Gospels. Before the word Christian. There were the Apostles. This is their story. In a mere three or four decades, the seeds of a global religion spread across the most powerful empire on Earth. In an age with no internet, no mass media, no planes, trains or fossil fuel -- how did it happen? NGC investigates the mysterious decades following Jesus' death, and the group of 12 common men, who sacrificed everything to to spread Jesus' message.