One day, the police arrest a man named Akihiko Noguchi. He is charged with violating the Misdemeanor Law by carrying a stun gun and handcuffs without a valid reason. However, the police had other aims. The police are looking for evidence and a confession during his 20-day detention, and Noguchi is trying to get away with …… In between, this mystery film depicts the life of a young boy until he turns into a monster.