Plot synopsis: A school is supposed to be the safe place for children, but unfortunately it is not any longer. It has so many problems that even most dedicated teachers would give up eventually. Kohei KAJI (Atsushi ITO) a young passionate teacher who's just started his career at a junior high school, but he is thrown into the chaos and desperation when one of his student dies at school. Tamako TSUMIKI (Miho KANNO) is a cool elite lawyer who seems to have some secret connection with that dead girl. Is that an accident? Or suicide? Together they start investigate what has been going on at the school and they have to face some terrifying facts that show how easily one could fall. This is a controversial theme that questions every one of us if we can change the world.