After the Rogue Shadow was shot down by Boba Fett's Slave I while the Rebels were transporting Darth Vader to their base on Dantooine, Starkiller, the derranged and extremely powerful clone of Galen Marek, must team up with Vader once they crash-land on the planet Ossus at the sight of a former Jedi Enclave that was thriving during the days of the Old Republic era.
However, while they're fighting to survive on Ossus, Vader and Starkiller learn a truth about Galen Marek that not even Vader knew about up until that point, making Vader set some plans in motion to turn the clone of Starkiller to his side...
