The Alliance have developed their own transforming fighter, the VF-0 (or 'Zero'). It first sees action in the skies above Mayan, placing the lives of Mao & the other islanders at risk but giving Shin his opportunity to return.

In the South Pacific, two military forces prepare to fight a nuclear war. In desperation, Shin and Sara decide to sacrifice themselves . . . in order to protect the Mayan people.