Up on the hill above Cherringham sits Mabb's Farm. It's a place with a dark history dating back to the 17th century - a time when locals lived in fear of the devil, and witches were burnt at the stake. Legend has it that the farm - and all who live there - are cursed with misfortune. But is it really just a curse when this year's crops fail, the livestock sicken, and deadly fires break out? Or is ...