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.

The film stars two of Itami's regular actors, Nobuko Miyamoto as a geisha who brings luck to the men with whom she sleeps, and Masahiko Tsugawa as her unfaithful, sometimes partner. As well as showing her relationships with the man she loves and the men who employ her, it satirizes corruption and the influence of money in Japanese politics.

A samurai answers a village's request for protection after he falls on hard times. The town needs protection from bandits, so the samurai gathers six others to help him teach the people how to defend themselves, and the villagers provide the soldiers with food.