 The film opens with the two on a rescue mission to save the kidnapped Supreme Chancellor Palpatine (Ian McDiarmid) from cyborg Separatist commander General Grievous (Matthew Wood) onboard his cruiser.Dooku duels the Jedi once again, knocking Obi-Wan unconscious; while Obi-Wan is out cold, Anakin defeats Dooku and executes him on Palpatine's orders.Soon after returning to Coruscant, Obi-Wan travels to planet Utapau to track down Grievous.