Kaho is an intelligence agent for an unofficial government organization. She's investigating a lethal pleasure drug. However, Shimokawa, who was conducting an undercover investigation, has not been heard from. Kaho gets into the hideout based on Takaoka's information and decides to rescue Shimokawa and destroy the criminal organization. Alone, Kaho gets into the enemy's hideout. However, Shimokawa is taken hostage and he is forced to surrender.
