*In the Rebel Alliance's most desperate hour, Princess Leia hides the stolen Death Star plans in R2-D2's memory bank. She instructs the droid to find Obi-Wan Kenobi on the desert planet of Tatooine. It is at Kenobi's home that a holographic Princess Leia pleads with Kenobi to come to the aid of the Rebel Alliance. Although she is regretful that she cannot appear in person to ask Kenobi this favor, her mission is a success.
Kenobi, along with Luke Skywalker, C-3PO and R2-D2, meet up with Han Solo and Chewbacca and fly to Alderaan to deliver the stolen plans. Their travel plans, however, are dirupted when they discover that Alderaan has been destroyed by the most powerful space station the galaxy has ever known!
*Source: RebelScum.com