At Prestat, owner Nick is proud of his Royal Warrant, but also of the company's place in history as inventors of the chocolate truffle in 1895. Cameras focus on the expertise which makes these chocs fit for a Queen. There's also a profile of Mackintosh's, creators of Quality Street, Rolo and more. Plus, a nostalgic look at the most romantic ad ever, as voted for by the public. Finally, the ultimate chocolate cocktail contest - Cadbury's Roses Strawberry Creams versus Quality Street's purple one.