This explosive sci-fi sequel finds Sam Witwicky heading off to college when an ancient Decepticon named The Fallen returns to Earth seeking revenge. Their home planet of Cybertron rendered uninhabitable, the Transformers begin working with the military to destroy any remaining Decepticons. Meanwhile, Sam and Mikaela race to unlock the secret history of the Transformers on Earth and fend off the most-formidable Decepticon to date.