This time, Sian Williams and Stefan Gates take a closer look at the food that is grown, reared and produced here in Britain, and the fragility of the country's food chain. Kicking things off, the Hexts from Somerset are set a daunting challenge of only buying produced here in Britain, which proves to be a difficult task. Later, Stefan investigates how consumers can save money by supporting British pig farmer, and Sian asks whether British food and drink producers can compete against their international rivals.