Prima ballerina Dominika Egorova faces a bleak and uncertain future after she suffers an injury that ends her career. She soon turns to Sparrow School, a secret intelligence service that trains exceptional young people to use their minds and bodies as weapons. Dominika emerges as the most dangerous Sparrow after completing the sadistic training process. As she comes to terms with her new abilities, she meets a CIA agent who tries to convince her that he is the only person she can trust.

As a rookie detective struggling to find acceptance in a police department defined by a culture of bullying and intolerance, things go from bad to worse when the chief suspect in a series of brutal ritualistic murders takes a personal interest in her. A game of cat and mouse ensues which sees Rebecca’s grasp on reality beginning to spiral out of control, leading to a terrifying climax where she needs to fight for her sanity, her life and maybe even her soul.

A live-action adaptation of Disney's version of the classic tale of a cursed prince and a beautiful young woman who helps him break the spell.

Some of literature's most terrifying characters, including Dr. Frankenstein, Dorian Gray, and iconic figures from the novel Dracula are lurking in the darkest corners of Victorian London. Penny Dreadful is a frightening psychological thriller that weaves together these classic horror origin stories into a new adult drama.