Female High-School Student Squadron vs. Rippers

In 1938, a young man killed 30 villagers in just two hours in Tsuyama, Okayama Prefecture, "Killing 30 Tsuyama"-. Based on the actual incident that became the model of Seishi Yokomizo's masterpiece mystery "Yatsuhakamura", a murderer plans a mass murder that exceeds the killing of 30 Tsuyama, killing people abducted to an uninhabited island. A girl who is a master of Kenpo who challenges the murderer and a ghost cat who helps it play an active part !!