With unprecedented access to the workings of a Pentecostal church in London, this one-off documentary in the Black & British season lifts the lid on a faith that is growing fast. Featuring charismatic sermons, passionate worshipping, the full-immersion baptism of teenagers and the fabulous hats and attire of the congregation, this documentary follows the powerful personal stories of members of the congregation at defining moments in their lives. While traditional Christianity is seeing its numbers fall, how has this faith become so successful?