Tatler is the oldest magazine in the world and has been reporting on the lives of Britain’s most privileged and powerful for 300 years. Tatler not only documents, but also dictates the social calendar of Britain’s elite. With an archive full of society’s movers and shakers being pictured in its pages it has long been a rite of passage for Britain’s ruling classes.In the first episode of Posh People: Inside Tatler we meet the editor, Kate Reardon, a self-confessed ‘honking, great Sloane’, and her features team - who are all expected to be well versed in the rules of upper class life.The programme follows Matthew Bell - Tatler’s writer and the newest addition to the team - over his first few months at the magazine. We’ll see him trying to find his feet and go from middle class outsider to privileged insider.We’ll see the team putting together an issue, follow them on shoots and key social events to meet the people they feature - from Lord Glasgow in his 13th Century castle in Scotland, to Nigerian Millionaire Kola Karim, who has no idea how many cars he owns.