What has The Archers got to do with the price of milk? Lesley Curwen looks at the present crisis in dairy farming through the prism of the long-running Radio 4 soap opera, "The Archers" and talks to the man behind the agricultural storyline, Graham Harvey.

Along with archive from the drama and interviews with today's farmers, she looks at the milk industry and its increasing exposure to volatile global markets.

Producer: Smita Patel.