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…

In the Yorkshire countryside, working-class tomboy Mona meets the exotic, pampered Tamsin. To seal their friendship, Mona introduces Tamsin to her born-again Christian brother, and Mona helps Tamsin spy on…