Botchan (Kazunari Ninomiya) has sense of strong justice and does not lie. He is offered a teaching job at a middle in a small village far away from his hometown of Tokyo. Botchan accepts the position and begins to work as a math teacher. The assistant principle there wields absolute power. Botchan has a hard time dealing with his fellow teachers and the students.

Botchan

The body of a professor is discovered at a university lecture hall suspended from the ceiling of the stage, with a series of mysterious numbers written on the curtains nearby.  Professor Eiko, a law professor at the university well versed in criminology, is asked to assist police in the investigation, and he uncovers clues that point to him as a suspect.  Why is he being set up? As he and his assistant work to decipher the code left on the curtains, another professor at the university is murdered. And yet another mysterious code is left at the scene of the crime.