Series following the Hairy Bikers as they visit a different British county every episode, sampling the best of local ingredients and meeting the people keeping culinary traditions alive.
Si and Dave explore Cornwall, where they cook a traditional county favourite at the Eden Project. They go sea fishing for spider crabs, and find the only tea plantation in the UK. Finally, they are pushed outside of their comfort zone as they face a cook-off against top chef, Kevin Viner. Restaurant diners decide whose dish best defines the taste of Cornwall.