A young psychologist begins working at an asylum for the criminally insane in 1970s England to understand violent criminals, but encounters dangerous inmates and a deteriorating society that test her ideals.

Inspired by true events, Broadmoor is based on the famous British high-security psychiatric hospital, originally known as the Broadmoor Criminal Lunatic Asylum. It features overlapping stories about the staff, the visitors and, of course, the patients that included maniacs, stranglers, slashers and serial killers. Set against the backdrop of a crumbling 1970s-80s Britain on the edge of violent social change, the series follows a young woman who goes to Broadmoor believing that murderous behavior can be understood, treated, even tamed, only to find she has entered a warehouse for England's fears, the locked attic where its demons reside in a Gothic hell.—Nellie Andreeva