John Craven continues his exploration of the stunning countryside around the historic city of Oxford. Keeley Donovan goes on night patrol with police who are trying to catch the criminals stealing contaminated meat that could end up on your dinner plate. Jules Hudson uncovers a worrying driver shortage that could throw our heritage railways into crisis. Paul Martin invites two experts to raid his home for plastics that he could ditch in favour of more eco-friendly and often cheaper options. And Margherita Taylor goes head to head with the robot farmers of the future. Show less