Coruscant is attacked by Separatist forces. Mace Windu takes to the air while Yoda rides his Kybuck to defend the city. Meanwhile, Saesee Tinn leads his troops into battle just above the planet's atmosphere. On Nelvaan, Obi-Wan volunteers Anakin to take the trial of fire.

Shaak Ti takes a desperate stand against Grievous' MagnaGuards. Anakin must destroy the power generator enslaving the Nelvaans, while Mace Windu hurries to face Grievous as the Battle of Coruscant begins.