4 Million years ago, the Autobots & Decepticons crash landed on Earth towards the end of the Cybertronian Civil War... Now that they are awake, it is up to the Autobots, led by the heroic Optimus Prime, to protect Humanity from the chaos of the Decepticons, led by the ruthless Megatron...
Meanwhile, college student Buster Witwicky has bought his first car, getting his family and friends caught up in a millennia-spanning war...