It's a hot Midsummer Night. The crop circles are turning up everywhere - even on the mustard-and-cress of Pewsey Ogg, aged four. And Magrat Garlick, witch, is going to be married in the morning. Everything ought to be going like a dream. But the Lancre-All-Comers Morris Team have got drunk in a fairy mound and the elves have come back, bringing all those things traditionally associated with the magical glittering realm of Faerie: cruelty, kidnapping, malice and evil, evil murder.