A young boy tries to cope with rural life circa 1950s and his fantasies become a way to interpret events. After his father tells him stories of vampires, he becomes convinced that the widow up the road is a vampire, and tries to find ways of discouraging his brother from seeing her.

The story follows Jamie, a troubled young man with a birthmark on his face, which has left him feeling isolated and fearful, hiding from the world outside. He lives in the East End of London, an area notorious for its violent hooded gangs. According to news reports, the gangs are now wearing demon masks. But, one night, Jamie discovers the terrifying truth.