Ed Stafford attends Appleby Horse Fair, the biggest gathering of Travellers in the UK, which is potentially under threat due to proposed new legislation that will make it harder than ever for Gypsy and Traveller caravans to make the journey to Cumbria for the annual event. He meets a mother of two struggling to find a site to stop on and a scrap metal dealer who spends part of the year on the road and the rest of his time on a strip of land beside a roundabout in Dorset.