Takes place before Massacre at Sulon...so there's lots of fighting going on.

here's the plot:

The Grave Tuskens have been getting anxious, as there hasn't been word from Maw since he left Sulon. They start plotting to overtake a nearby Imperial base and steal a transport.
Word has reached Sulon of Maw's death. Maw was the one who led the tuskens to Sulon. Well, when word finally got to Sulon, the tuskens decide to raid the imperial base and steal a transport.

You play as one of the Grave Tuskens. He worked for the alliance before and helped recover one of their pilots from a small prison outpost, and stole an Imperial Shuttle in the process. The Empire set a bounty on him, and has been tracked to Sulon by a Gran known only as Drey.