The embattled Republic reels from the attacks of grand Admiral Thrawn. Who has marshaled the remnants of the imperial forces and driven the Rebels back with abominable technology recovered from the Emperor's secret fortress: clone soldiers. As Thrawn mounts his final siege, Han and Chewbacca struggle to form a coalition of smugglers for a last ditch attack against the empire, while leia holss the Alliance together and prepares and clones at thrawns command, the Republic has one last hope-sending a small force, led by luke Skywalker, into the very stronghold that houses Thrawns terrible cloning machines.