Two years have passed since young Sam Witwicky saved the universe by preventing a global battle between warring warlike alien robot races. Despite his heroic exploits, Sam remains an ordinary teenager with the usual problems - college enrollment and parents. Of course, the departure will be taken hard by his best friend, robot bodyguard Bumblebee.
Sam tries his best to forget about the conflict in Mission City and return to normal life. However, the battle between the Autobots and Decepticons, despite the veneer of complete secrecy, has changed a lot...