Dispatches: Supermarkets — The Real Price of Cheap Food

Facing stiff competition from discount stores, Britain's big supermarkets are desperate to win customers back with special offers and price reductions. But who is paying the price? Morland Sanders investigates the supply chain and the working lives of some of those at the very bottom - the people who pick, pack and manufacture food. From field to factory, he examines hygiene, health and safety and the reality of life on minimum-wage, ultra-flexible contracts.