Rinko (Yoshimi Yokosuka), a former teacher who married Katsura (Akira Tanimoto), the father of her student Shin (Ryosuke Suzuki). Sagawa was secretly meeting at the hotel after stealing. Sagawa was screaming from Rinko and was aiming for the property of the Katsuragi family. One day, while on a business trip to Katsuragi, Rinko confesses that she likes Shin.

Three teenagers witness the brutal murder of a high school girl by an insane salaryman. The teenagers find themselves united by this event and become friends. Later the teenagers hold a party to take their mind off things. Their party is crashed by a local gang of thugs and one teenager finds his newly found girlfriend being raped. The teenagers deal with the thugs by using extreme violence.