Sam Witwicky leaves the Autobots behind for a normal life. But when his mind is filled with cryptic symbols, the Decepticons target him and he is dragged back into the Transformers' war.
So "Sam" (Shia LaBeouf) reckons after his first death-defying dose of mechanised shenanigans, that he is done with all things "Autobot" and so looks forward to settling down at college with "Mikaela" ...