Having kept her end of the bargain, Ryuko demands answers from her homeroom teacher, Aikuro Mikisugi, and learns the secret behind the power of Senketsu and the Goku Uniforms. Meanwhile, Satsuki Kiryuin returns home to claim a power of her own.

The final confrontation is at hand! Will Ragyo and Nui bring on the end of the world, or will Ryuko and the others be able to stop them?