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.
