Coffee addict Dan Saladino sets out to understand what a cup of tea is really worth. Do we pay enough? In south west India, food writer Vanessa Kimbell gets up close to the leaf and hears the reality of a hard day’s work from a team of tea pluckers 6000 metres above sea level. From there we move to the Assam region in the north east to hear about an investigation into working conditions on a tea plantation. Will Battle, author of the World Tea Encyclopedia and a professional tea taster, explains how the global demand for tea has shaped where it’s grown and how it’s traded. Next, after the long journey from field to cup – what’s the best way to consume a cuppa? Tea tutor Caroline Hope is visited by people from all over the world to learn how the British drink tea. Finally, we enter a new realm of tea-drinking. Tim Doffay of Postcard Teas in London tells us about some of the world’s most expensive brews. (Photo: Cup of tea and saucer with gold spoon. Credit: Getty Creative)