In 1974 a British coal miners’ strike led to mandated power outages, the so-called “Three-Day Week.” It is exactly at that time that a young nurse starts her new position in a hospital and is promptly called in for a night shift. As if this wasn’t enough, it seems a sinister force has made itself at home in the old building. Corinna Faith has created a classic piece of ambiguous horror that comes at you with visual oomph and highlights abuses of power and systemic violence as well as the monsters all this teases out of the dark.