Tara Ward reviews the first episode of Three’s new documentary series and asks, when will it be enough? The opening moments of Devotion: The Gloriavale Story capture how isolated Gloriavale really is. It begins with some stunning South Island scenery, all snow-capped mountains, wide stony riverbeds and steep hills covered in lush native forest – and at the bottom of those hills sits Gloriavale, the religious community that is the subject of this new three-part docuseries.