In this ep the controler have to deal with major problems. Somebody has hacked the computer sytsem of the USA, causing a malfuntioning of the GPS. Thus, the controller have to go back to use older controlling methods, but as the younger generation isn't secure with that, Shinoda asks the older staff (their bosses) to help them out. Additionally, all American airports are closed and the planes are sent back to Japan. Furthermore, the controllers cannot contact the pilots anymore.