Sachiko is the 17-year old daughter of radiotherapist Professor Oshima. After exposure to radiation in the hospital, she develops leukemia. As if that was not enough trouble for one lifetime, discovers that Oshima is not her real father, and that her boyfriend is really her half brother.
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.
