When Frontline is accused of not going after the "big fish" with their investigative reports, Mike sets his sights on exposing a banking scandal. It is the story of his career but it could incriminate some of the nation's top businessmen and the powers that be want the story dropped. Will Mike stick to his guns? Meanwhile, Marty goes after dodgy dry cleaners and lazy council workers while Brooke has a chance to interview the Prime Minister.