With what they`ve learned from the shrine, the Symphogear Wielders now know the full extent of the Illumanti`s plan: they`re going to use an ancient gate to summon the power of a god. Only one person can stop them: Hibiki, the "God-Killer".

The Symphogears head back to Earth for a climactic confrontation with Shem-Ha with the fate of Earth in the balance.