When Martin Luther nailed his 95 'points for discussion' to Wittenberg's Castle church, his quiet life exploded into an international confrontation, an argument with the Pope, and ultimately, the Protestant Reformation. A simple monk pitted against the might, power, and money of Rome. But while the religious, social and political consequences have been much discussed, we reveal a fundamentally human story of honesty, faith, and fortitude. Narrated by David Suchet.