Set four years after the events of Revenge of the Sith, Emperor Palpatine begins a campaign to conquer star systems that have refused to join his Galactic Empire, beginning with the peaceful H’rahk Sector. But when the Imperial forces arrive at H’rahk Prime, they find the Rebel Alliance waiting for them, and the battle begins. Rebel soldiers Ledok, Jaden, her father General Dodonna, and a cyborg named Blaeyr lead the charge against the Imperial invaders, whose ground forces are being led by Admiral Dire, a droid of mysterious origins; while in space an epic battle rages on, with Darth Vader himself at the head of the Imperial Armada….