Princess Leia Organa is a prisoner of the evil Empire. She was captured by Darth Vader, who is helping the Empire stop a rebellion, by using the Death Star. Luke Skywalker, Obi-Wan Kenobi and Han Solo work together to rescue her. They are helped by the droids (or robots) R2-D2 and C-3PO. With the princess, they try to stop the Empire and bring peace and happiness to the galaxy.