Takashi Itô

Coach Shimamura of the hapless Sparrows baseball team is pleased to obtain a hot new pitcher named Onishi. But when Onishi begins a romantic relationship with the coach's daughter Michiko, Shimamura becomes angry with the young man, lashing out at him when he disobeys instructions during a game. In turn, Michiko becomes angry with her father, who becomes increasingly depressed. When a tragedy strikes the family, Coach Shimamura begins losing control of his life, just when his family and his team need him most.

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.