In this first episode, Simon Rimmer steps inside the secretive world of research and development at Starbucks and meets the people who decide what we'll be eating and drinking in the future. Sophie Morgan investigates one of the biggest trends on the high street, cocktails, and shares her surprising lab results with a group of cocktail fans. A tech-sceptic mum and her app-savvy son test out whether phone apps can speed up service and enhance our dining experience. And reporter Adam Pearson hits the high street with the latest trend in bottled water, but is anyone prepared to spend up to £100 a litre?