London, 1974. As Britain prepares for electrical blackouts to sweep across the country, trainee nurse Val arrives for her first
day at the crumbling East London Royal Infirmary. With most of the patients and staff evacuated to another hospital, Val is forced to work the
night shift, finding herself in a dark, near empty building. Within these walls lies a deadly
secret, forcing Val to face both her own traumatic past and deepest fears.