In a small field in north Wales, four of the UK's top handlers and their sheepdogs go head-to-head, aiming to claim this year's One Man and His Dog trophy. Overlooked by the famous Offa's Dyke, the course at Bodfari is small and simple, leaving our competing teams nowhere to hide from the expert eye of the judge, Mike Northwood. Can English outsider Jessica Saukkonen and her dog Gannon or Scottish veteran Sandy McCulloch and his dog Sam outdo the reigning International Supreme Champions, Wales's Dewi Jenkins and Jock? Dewi took the title from Ireland's Tom O'Sullivan, who is looking for revenge with his sheepdog Tess, so there's everything to play for. And we meet 15-year-old Claudia Patterson and her faithful companion Jean. She got the sheepdog trialling bug when she was just five years old, and in a showcase round demonstrates why she's one to look out for the future.