Two years after he and his Autobots friends and Superhero friends saved the Earth from the Decepticons, Sam Witwicky faces a new battle: College. Meanwhile Optimus Prime, the Autobots, and the Justice League are working with a secret military organization and are trying to a make home for themselves on Earth with their superhero friends. When an ancient Decepticon known as The Fallen rises up to wreck vengeance, Sam and his girlfriend Mikaela and his superhero pals must figure out the history of the Transformers on Earth and find a way to defeat The Fallen once and for all.