Book of Blood is a 2009 British erotic horror film directed by John Harrison and starring Jonas Armstrong, Sophie Ward, and Doug Bradley. It is based on the framing stories "The Book of Blood" and "On Jerusalem Street (A Postscript)" from Clive Barker's Books of Blood. Plot A hooded, disfigured young man is eating at a diner, being watched by a stranger. The stranger is Wyburd (Clive Russell), who has been stalking the young man, Simon (Jonas Armstrong). Wyburd convinces Simon to join him in his truck, where Simon passes out and awakens strapped to a table. Wyburd offers him a choice: a slow death, or a quick and clean death by telling the story of the Book of Blood, a series of scars and inscriptions carved on Simon from head to toe. Opting for a clean death, Simon reveals his story. A teen girl is violently raped and beaten in her bed while her parents stand outside screaming her name. An unseen force rips her face off, killing her. Several months later, paranormal professor Mary Florescu (Sophie Ward) and her partner Reg Fuller (Paul Blair) investigate the house to unlock its mysteriously murderous past. Mary encounters Simon McNeal, a seemingly clairvoyant young man to whom she develops an attraction. Simon reluctantly signs on to assist, and the three of them move in. Early on, Mary hallucinates six girls dancing in a circle, playing ring-around-the-rosy. When they stop and look at her, they are all ghosts. All three of them hear and witness strange phenomena, including Simon being locked in his room and attacked by ghosts, as well as writing scrawled on walls that bursts into flame. Reg convinces Mary to take a sample of the walls and send it in for analysis. Mary and Simon grow closer, eventually sleeping together. While she sleeps, a dragonfly lands on her, and she has a vision of bloody skeletons dancing in a fountain. She admits that as a girl, she had visions of a fountain that spouted blood at night, the burial ground of a serial killer's young victim. She feels guilty because she never said anything, and he killed five more girls before being caught. When she goes to leave the house, she sees a final message on the walls - "You didn't listen." The lab gets back to Mary and says the substances on the walls is gunpowder - perfect