Mike Parker is slightly obsessed by an area of Flintshire called the Maelor. On the maps he says it looks like a calloused big toe sticking into the plump ribs of England. Situated slightly south of a line between Wrexham and Whitchurch, it follows few of the expected border rules. To prove his point, he takes Miles Warde on a tour from the Wychbrook to Hanmer and the border post on the strange Fenn's mosses. The programme also features local Welsh language teacher Dr Cymraeg - aka Stephen Rule - and the vicarage where author Lorna Sage grew up