An enormous golden being attacks Tatsumiya Island, and citizens abandon the surface for underground protective shelters; Soshi urges Kazuki to pilot the Fafner Mark XI and battle the giant being.

Kazuki fights to save the island from the Festum; Kazuki learns the secrets of the island; Tatsumiya is in danger.

Alvis prepares to move the island as students are drafted as new pilots and begin their gruelling training.

Kazuki and Soshi pursue the Festum; Alvis starts to move Tatsumiya Island; a New United Nations unit moves the battle directly into the island's path.

The leader of the New United Nations forces Makabe to hand over the Mark VI after discovering Tatsumiya; Shoko promises Kazuki that she will protect the island.

The second Festum breaks through the island's shields; Shoko boards Mark VI in an attempt to save the island.