A female freelance writer went missing during an interview... 'Tomoko Nishino' and 'Yuta Hashimoto' visit the mountains of a certain prefecture in search of her and come across a dubious truck. What they saw when they followed the truck was a dark racetrack where women were trained, domesticated, and entered into spectacle races...! Tomoko is captured at the end of a bold intrusion, and what awaits her is...! ?