Hugh Fearnley-Whittingstall and Anita Rani present an update on the campaign against single use plastic, challenging a British family from Berwick to go plastic free on a budget. Hugh discovers what becomes of the packaging for pre-packed sandwiches, and Anita conducts experiments on teabags to discover the secrets of their construction. The programme also examines how the Coronavirus pandemic has led to a rise in single use plastic for safety reasons