The Transformers live on the planet Cybertron. The good Autobots are automobile transformers which escape on a ship to seek new sources of power. They are followed by the evil Decepticons, plane transformers, who want the power to control the galaxy. Their ship crashes on the Earth and 4,000 millions years after the robots are activated. The Decepticons plan is to get all the Earth power resources to make cubicals of energy and return to Cybertron to control the galaxy. The Autobots must impede this plan in order to protect Earth and all humankind.