Movie Story : In 1974 London, as Britain braces for rolling power cuts, trainee nurse Val reports for her first shift at the decaying East London Royal Infirmary. Most patients and staff have been moved to another hospital, leaving her to work the night alone in a dim, nearly deserted building. As the corridors grow darker, she uncovers a deadly secret hidden within the walls that forces her to confront a painful past and her greatest fears.