Ever since her father was killed, Ryuuko Matoi has been determined to find the person responsible. Her investigation leads her to Honnouji Academy, where the ruling student council, led by the powerful Satsuki Kiryuin and her elite group, awards Goku Uniforms to those who rise to the top in the cutthroat competition. These uniforms grant their wearers incredible abilities. But after losing to a uniformed student, Ryuuko retreats to her destroyed home and discovers Senketsu, a rare and intelligent Kamui. When Ryuuko's blood activates Senketsu, she gains incredible strength. Armed with the Scissor Blade and Senketsu, Ryuuko sets out to confront the Elite Four and uncover the truth behind her father's murder, hoping to bring down Satsuki for good.