What is life like at a Japanese university? Four "friends" drift in and out of their friendships and face boredom, uncertainty and disengagement. And something more dangerous.
Yasuji Hajima runs a butcher shop. When he was younger, he was just as interested in the sex as the next man but lately he has a hard time satisfying his wife who is still oversexed at her age. The Hajimas have one son, Shuichi, who is studying to enter Tokyo University. It is after he sees his parents acting in which he considers an odious manner that he changes entirely and raises the roof in every whichever way.
As Japan is preparing to host the Olympics, a gang member wanting to go to America is sought after by the police after helping his friend conduct a robbery.
On his release from prison a young yakuza, along with his brother, decides to turn his back on criminal life instead of taking over the position of his recently deceased father, boss of the Asahina clan. But their exit proves more difficult than planned when their rival clan steps in to exact revenge.