Female fighter Ai is training hard every day to compete in a martial arts tournament. One day, while out with her boyfriend, she's harassed by a group of thugs, whom she swiftly defeats with a single strike and leaves the scene. However, several days later, the thugs return with reinforcements and ambush her at her home. Overwhelmed by their underhanded assault, Ai is left powerless and brutally gang-raped in front of her boyfriend. A shocking and intense scenario unfolds.