Luke, Leia, Han, Chewbacca, and Obi-Wan Kenobi are brought onboard the Death Star to discover Princess Leia is scheduled for execution, and where Obi-Wan faces his former student, Darth Vader.
Luke, Leia, Han, and Chewie are assisted by the Ewoks when they encounter Imperial storm troopers while trying to disable the shield generator around the second Death Star. And Luke is taken before the Imperial Emperor and once again invited to join the Dark Side.
