Many years ago, after a long battle between Autobots and Decepticons. Ethan moves with his parents and sister to a new town in California. When they arrive at the new home, Ethan discovers a medallion of unknown origin which gives the ability to transform into a Protector and the new skills of battle, he later receives a message from Agent Park and Marissa Faireborn, where he learns that the planet Cybertron is in danger again, and all because of the Decepticons and the main leader Megatron. Who want to completely take over the planet, kill Optimus Prime and take all the power of Energon from this planet. Ethan, along with newcomers from high school Millie, Ace, Cecilia, Joel and Karin must go to Cybertron to completely save the Autobots, Optimus Prime, protect the planet Cybertron, and stop the invasion of Decepticons led by the leader Megatron.
