Shia LaBeouf returns as Sam Witwicky in Transformers: Dark of the Moon. When a mysterious event from Earth's past erupts into the present day it threatens to bring a war to Earth so big that the Transformers alone will not be able to save us.
"A mysterious event from Earth's past threatens to ignite a war so big that the Transformers alone will not be able to save the planet. Sam Witwicky and the Autobots must fight against the darkness to defend our world from the Decepticons all-consuming evil"--Container.