C.C. tells Lelouch than Nunnaly has been captured and he leaves the battlefield to find her on the hidden island.
The Knights backup leadership are not good enough to win in the confusion.
Cornelia tells Suzaku to follow Zero and bring him to justice. Kallen follows Suzaku.
Lelouch and C.C. are hit by a trap, and we see flashes of C.C.'s history. Lelouch swears the remain her ally. She leaves to fight off the forces giving chase.
But when Lelouch reaches the door that Nunnaly is surely behind. Suzaku is there, waiting for him.