A mother's devoted love for her son is eventually brutally violated... Reiko visits a rehabilitation school called ``Kikukaijuku'' to try to rehabilitate her son, who refuses to go to school and is a victim of domestic violence, but she has doubts about the school principal's violent teachings. Then, his mother, Hikaru, who is in the same situation, angers the school principal and is taken away. Reiko's intuition that something is wrong with this cram school is correct, Kikukai Juku