Starting in 1970s Hokkaido, the film charts the moral descent of Detective Moroboshi over three decades, the young cop quickly gets a bit too cozy with the other side of the law when his senior colleague Murai teaches him the ropes and ruts of the police business. Soon, he swaggers and rants through the streets of Sapporo a lean, mean, sex‐crazy bully, indistinguishable from a yakuza.

Miki Takaraishi is a smart and beautiful 24-year-old woman, but her personality is not as good. She falls in love with Yuga Saito who is handsome and comes from a politician family. They see each other romantically, but Yugo Saito dumps Miki Takaraishi. To get revenge on Yuga Saito, she decides to run for prime minister. For her election campaign, she hires Toshiya Kadowaki as her campaign strategist.

Rio is a high school student in Tokyo. Her mother tells her she will spend the summer in the countryside. There, she meets Ginzo. He is a high school student and handsome. They fall in love.