Ryuko Matoi is a vagrant school girl traveling from place to place searching for clues to the truth behind her father's death - the "woman with the scissor blade". The journey leads Ryuko to Honnouji Academy.

Mako is offered a better life away from poverty. To do so she must don a suit and face Ryuko in combat.

It's graduation at Honnouji Academy, but not everything is as it seems. Ryuko Matoi and the gang must defeat their final enemy.