In the first episode we visit the fertile fenland of Lincolnshire, the vegetable capital of Britain. Gregg Wallace, a former greengrocer, and Philippa Forrester, science expert and home grower, join farmer Andrew Burgess at the start of the main potato harvest to see the struggle to grow, and gather in potatoes, still our favourite vegetable. The also experience how broccoli is picked and packed and a greenhouse where tomatoes can be harvested year round