In order to save their friend'Smiley,'Artoo-Detoo'and'See-Threepio'have fallen in with a crew of'Targonnian'revoltists looking to overthrow'Dictator-Forever Craw. Smiley is trapped in Craw's castle, behind the palace's impenetrable'force field. To save their friend, Artoo-Detoo and See-Threepio must infiltrate the castle and shut down its protective field! The'droids'need to save Smiley because his brain contains the secret of the savorium herb, a secret which could shake'the galaxy'to its foundations!