In a shabby London suburb, sixteen-year-old Pup Yearman dabbles in magic. But for Pup's older sister Dolly, the magic is more than dabbling. Deformed by a facial birthmark, Dolly desperately wants to be cured and her obsession with Pup's magic sends her on a dangerous ....
.... downward spiral into confusion, madness and possibly murder. Meanwhile, in a squalid boardinghouse not far away, a young Irishman sharpens a set of butcher knives.