Movie Story : Sam Witwicky, an ordinary teenager, gets pulled into a centuries-old war between the Autobots, noble alien robots who can transform into vehicles, and their villainous rivals, the Decepticons. When Sam unknowingly comes into possession of a clue to an incredible source of power, the Decepticons will do anything to seize it. Caught in the middle, he must help the Autobots keep it out of enemy hands.