In Episodes 7 through 10, Captain Rex and his clone troopers are led into a difficult mission on the shadowy planet of Umbara by their temporary new commander, General Krell, who will accept nothing less than victory. Then when an entire colony disappears, it’s up to the Jedi to uncover what has happened to the Togrutan colony of Kiros. Covert battles and Separatist plots trigger fierce battles as the action-packed Star Wars ™ adventure continues.