The story begins from the short description what happened to the Trade Federation during the Rise of the Empire. After death of Nute Gunray a human named Carus Bel became an unofficial leader of the Trade Federation. He understood that Darth Sidious dealt doubly and declared war to the Empire, but failed. He was on his Lucrehulk-space station near the Tibrin and prepared to attack, when the Nemesis appeared at the station. There he found different imperial vehicles and ordered his droids and a kaminoan called Gwix to transport these vehicles to the laboratory for studying. At the same moment all the vehicles including founded E-11 blaster rifle transformed into the Empireons and attacked. During this attack Grievous and Threewing found out they have Force abilities (Grievous smothered Gwix