The Detective 1984

Directed by Junta Matsushita

Detective Muramatsu's wife, Fusae, is killed by a drug addict. After the criminal climbs to the roof of the house with a hostage, Muramatsu shoots him dead in order to rescue the hostage, but the public denounces his actions as stemming from the personal grudge of a detective whose wife was just murdered, and he is demoted.