Before the Great War of the Autobots and the Decepticons there was peace in the Golden Age of Cybertron and before they were Optimus Prime and Megatron they were Orion Pax and D-16 two bots who wants to overthrow the corrupt ruler of Cybertron Sentinel Prime along with their friends Ariel (before she was Elita One) and B-127 (before he was Bumblebee)