Colonel Tohdoh, the last leader of the JLF is scheduled to be executed. Zero springs him. But when Lancelot interferes, his cockpit is broken open, revealing Suzaku as the pilot to everyone.
Lelouch feels betrayed. Euphemia picks him to be her Knight Champion.
Zero tries to capture Lancelot and turn Suzaku. But he cannot be swayed.
Higher-ups order Suzaku to hold Zero in place and launch missiles. His sacrifice will be in all the history books etc.
Kallen face-reveals to try and convince him to stand down.