Jim uses all his manipulative skills to get himself out of jail, but will Di realsie he is using her? Everyone on G-Wing is up in arms about the extortion racket Natalie Buxton and her sidekick Darlene Cake are running. Jim blackmails Neil Grayling into giving him the Wing Governor's job, and starts by sacking the two Julies from the kitchen. Phyl and Bev jump at the chance to replace them, but they're unprepared for all the hard work. Sylvia is sure that she has a mysterious illness - Dr Nicholson is unterested until a letter arrives for Sylvia...!