Recruited by a clandestine police organisation, "K", must stop a plot by student radicals to create anarchy in Japan. Armed with a hi-tech steel yo-yo, and a new name, she must infiltrate an elite high school to find the terrorists. However, she finds an even more sinister plan is about to unfold. Directed by Kenta Fukasaka of Battle Royale and Battle Royale II fame. Spectacular stunts choreographed by Yokoyama Makoto stunt co-ordinator on the US version of Power Rangers. Eye popping yo yo effects by World Champion Takahiko Hasegawa.