The water planet Mon Calamari is on the brink of civil war. Senator Amidala and her Jedi protector Anakin Skywalker take the side of the Mon Cal, while Separatist representative Riff Tamson spurs on the Quarren.
During an assault on the shadowy world of Umbara, General Skywalker is called back to Coruscant. He has to relinquish command of the 501st legion to legendary Jedi Master Krell, who turns out to have a low opinion of clones.
The Separatists support Zygerrian slavers in taking over a Togruta colony on the neutral planet Kiros. Anakin and Ahsoka race to defuse a series of bombs while Obi-Wan faces the Zygerrian leader, Darts D'Nar.
Lux Bonteri disrupts a peace conference between Seperatist and Republic representatives on Mandalore. Intent on safeguarding him, Ahsoka becomes involved in Lux's plan to take revenge on Count Dooku for his mother's death.