In an attack on a factory on Cymoon 1, the rebels discover innocent slave workers who they must help escape before the factory is destroyed by explosives.

As the rebels try to escape from Cymoon 1, Darth Vader arrives and they must fight their way out using the Empire's vehicles.

"Luke Skywalker and the ragtag rebels opposing the Galactic Empire are fresh off their biggest victory so far - the destruction of the massive Death Star. But the Empire's not toppled yet! Join Luke, Princess Leia, Han Solo, Chewbacca, C-3PO, R2-D2 and the rest of the Rebel Alliance as they fight for freedom against Darth Vader and his evil master, the Emperor! But when a Rebel assault goes wrong, Han and Leia must think fast to make their escape - while Luke comes face-to-face with Darth Vader! In the explosive aftermath, a humbled Luke returns to Tatooine to learn more about his mentor, Obi-Wan Kenobi. Meanwhile, Leia and Han undertake a vital - and dangerous - secret mission. But can they succeed without Luke?"--

Although the rebels successfully completed their mission on Cymoon 1, Luke Skywalker now recognizes the power of the Force and realizes he has much more to learn before becoming a true Jedi.