Nikto Jedi Master Ima-Gun Di and his men are trapped on the besieged world of Ryloth. Senator Bail Organa teams up with Representative Jar Jar Binks to convince neutral King Katuunko of Toydaria to send aid to the Twi'Leks of Ryloth.
Ahsoka is assigned to tutor at a leadership academy on Mandalore. Duchess Satine's nephew Korkie and three of his classmates discover a conspiracy involving the black market and the planet's food supplies.
C-3PO and R2-D2 are tasked to get some Jogan fruit for a reception honoring Roonan Senator Aang. But the droids are targeted by bounty hunter Cad Bane who wants to extract information regarding the senate from their data banks.
Obi-Wan Kenobi and Quinlan Vos are assigned to retrieve Ziro the Hutt after his escape from prison. But Ziro is instantly put on trial by the five Hutt families on Nal Hutta, where his only ally may be an old lover.
Senators Amidala and Organa are opposed to funding five million new clone troopers, but they and other like-minded dignitaries find themselves targeted by thuggish bounty hunters set on changing their vote.
Darth Sidious orders Lord Tyrannus to eliminate Asajj Ventress, lest her becoming too powerful. But Ventress escapes and manages to make her way back to her home planet of Dathomir, vowing revenge on Count Dooku.
Count Dooku accepts Mother Talzin's offer to present him with a warrior from the same tribe as Darth Maul. However, Talzin and Asajj Ventress pick and train the warrior and use Nightsister magic to bend him to their will.
Anakin, Obi-Wan and Ahsoka investigate a mysterious transmission and find a gateway to a hidden planet called Mortis. There reside three powerful Force-wielders who haunt all three Jedi with visions and mean to find out if Anakin really is the Chosen One.
Before the Jedi can leave Mortis, the Son abducts Ahsoka and infects her with the Dark Side. While Anakin faces his Padawan, the Daughter reveals to Obi-Wan the only weapon that can defeat her brother: the Dagger of Mortis.