After yakuza boss Kurata dissolves his own criminal empire, a rival kingpin offers a position to Kurata's top operative, Tetsuya "Phoenix Tetsu" Hondo. When the fiercely loyal Tetsu declines, Otsuka taps unstoppable Tatsuzo the "Viper", a ruthless gun-for-hire, to assassinate him. As the Viper trails his target through the countryside, the agile Phoenix Tetsu grows concerned that one of his former associates has betrayed him.
- Genre: Thriller, Crime, Action
- Studio: Nikkatsu Corporation
- Keyword: hitman, yakuza, tokyo, japan, japanese noir, 1960s, japanese new wave
- Cast: Tetsuya Watari, Ryuji Kita, Eimei Esumi, Chieko Matsubara, Tamio Kawachi, Hideaki Nitani