A bad cop is engaged in a violent chase to catch a yakuza boss. In his absence his wife runs away with another man, who turns out to be the very same man that her husband is hunting. Once he discovers this, he loses his nerve and turns in his badge. But the chase turns into a personal vendetta where the ex-cop plans to wipe out the entire gang.
A bad day gets worse for young detective Murakami when a pickpocket steals his gun on a hot, crowded bus. Desperate to right the wrong, he goes undercover, scavenging Tokyo’s sweltering streets for the stray dog whose desperation has led him to a life of crime. With each step, cop and criminal’s lives become more intertwined and the investigation becomes an examination of Murakami’s own dark side.
Teacher Yukiko finds herself in opposition to conservative faculty and villagers after defending a student for being in a relationship with a young man from Tokyo.
Doctor Sanada treats gangster Matsunaga after he is wounded in a gunfight, and discovers that he is suffering from tuberculosis. Sanada tries to convince Matsunaga to stay for treatment, which would drastically change his lifestyle. They form an uneasy friendship until Matsunaga's old boss Okada returns from prison.