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The Autobots are running low on Energon, they leave their home planet of Cybertron to search for more sources. The Decepticons follow them and attack the Autobot's ship. The ship crashes on Earth and ends up inside a volcano. Millions of years later, Teletran One, the ship's computer activates and revives them. The Decepticons are determined to exploit Earth's resources for their own needs. The Autobots are just as determined to stop them.