The story starts from the Corriban, where the Emperor and Tarkin are watching the smaller copy of Death Star and prepare to move to Utapau, when Thrawn gives them a message from Darth Vader about "Mygeeto. Reconstruct" project. Later Vader comes to the Emperor and reveals that the Quintessons, who have helped the Emperor to reconstruct the Junkbots into the Emprieons and have been destroyed by his order, have survived and now they wnat to help to resurrect Unicron in a new body. *Star Wars