In 1990s Scotland, a group of Catholic school girls get an opportunity to go into Edinburgh for a choir competition, but they're more interested in drinking, partying and hooking up than winning the competition.
A couple's quiet cabin retreat spirals into dread when they're warned never to open a locked door at the end of the hall. Obsession grows, whispers stir at night, and terror seeps through the walls in this chilling slow-b