Sorry to have to spell it out like that, but it's so damn easy to confuse these films with cult horror. So, just to be clear, this collection features movies with 'relatively small groups of people having religious beliefs or practices regarded by others as strange or sinister' not films that have 'small but active fan followings'. Savvy?
In 17th-century France, Father Urbain Grandier seeks to protect the city of Loudun from the corrupt establishment of Cardinal Richelieu. Hysteria occurs within the city when he is accused of witchcraft by a sexually repressed nun.
A sheriff investigating the disappearance of a young girl from a small island discovers there's a larger mystery to solve among the island's secretive, neo-pagan community.
The Parkers, a reclusive family who follow ancient customs, find their secret existence threatened as a torrential downpour moves into their area, forcing daughters Iris and Rose to assume responsibilities beyond those of a typical family.