Iran is one of the most closed countries in the world and for decades has openly opposed active Christianity. You might expect that the Iranian church would have withered away. But the very opposite has happened: since 1979 the church has grown from fewer than 500 to at least 100,000 believers – the fastest growing church in the world. But why are so many turning to Christ? Explore Iran’s deep spiritual hunger, the deteriorating relationship betweenIranians and their national religion,and the remarkable stories of a church growing too large to jail.