A rookie newspaper journalist, Takema Sakaki, has a strong sense of justice. In the Diet Building he gets acquainted with a library worker, Reiko Nakafuji. Reiko's father was a member of the Diet who was assassinated six years ago. Through Reiko, Takema joins Tsūkai-kai, a group of young people who respect her late father's political ideas. With the assistance of Tsukai-kai, Takema eventually uncovers the political scandal related to postwar compensation which led to the murder of Reiko's father.