It may be hard for younger cinephiles, who've grown up with an Internet-driven media landscape where all kinds of wild perversions and Violent spectacles are available at the click of a mouse, to imagine a world where certain movies were considered genuinely dangerous. But that notion is a driving force behind Censor, a mid-1980s period piece that follows exceptionally decorous young BBFC worker Enid Baines (Niamh Algar) as she screens a seemingly never-ending stream of violent horror films for editing and classification.