For some street food traders, opening their own restaurant is the dream. But is this what it means to 'grow up' in the food business? Is it the only way up? In the final episode of this series, Robin Leeburn hunts down a few of the rockstars to find out why they made the choices they did and leaves us with an exploration of how Londoners lust after the new, trending street food traders, why we can’t get enough of each other and where do we go together after those first few rough and ready years on the street.