A long time ago...

Far away on the planet of Cybertron, an alien war was being waged between the noble Autobots and the devious Decepticons for control over the Allspark, a mystical talisman that would grant unlimited power to whoever possessed it.

The Autobots managed to smuggle the Allspark off the planet, but Megatron, the head of the Decepticons, blasted off in search of it.

He eventually tracked it to the planet Earth (circa 1850), but his reckless desire for power sent him right into the Arctic Ocean and the sheer cold forced him into a paralyzed state.

His body was later found by Captain Archibald Witwicky and before going into a comatose state, Megatron used the last of his energy to engrave the location of the Allspark into the Captain’s glasses.

A century later, Sam Witwicky (Shia LaBeouf, Eagle Eye) buys his first car and, to his shock, he discovers it to be an Autobot in disguise sent to protect Sam.

He and his girlfriend Mikaela (Megan Fox, How to Lose Friends and Alienate People) find themselves in the middle of the grand battle between the Autobots and the Decepticons and need to help save planet Earth from destruction.