Conwy, on the north coast of Wales, is looking splendid as Mason McQueen's black cab takes Terry Wogan to the small medieval town with the large castle. The locals do the duo proud as they show off their Welsh cuisine. Terry gets a BBQ going and tempts motorists to sample his homemade burgers. The taxi heads over the Menai Straits to Anglesey and they learn how to produce salt, the ancient skill of oyster farming and the importance of conservation.