Series in which a group of eight overweight Brits must adopt a hunter-gatherer lifestyle for three weeks in one of the most demanding environments on the planet, the Kalahari Desert in Namibia. Before the Brits learn to hunt for themselves they must live on a predominantly vegetarian diet of nuts and berries. Nutritionist Alice Sykes and tribal elder Amache look on as the obese Westerners struggle from day one to come to terms with a diet that they quite literally find hard to swallow. Show less