A shy woman, endowed with the speed, reflexes, and senses of a cat, walks a thin line between criminal and hero, even as a detective doggedly pursues her, fascinated by both of her personas.
A lethal assassin for a secret Chinese organisation, who sheds tears of regret each time he kills, is seen swiftly and mercilessly executing three Yakuza gangsters by a beautiful artist. She is captivated by the grace of his kill and later falls in love with him. An intense power struggle for the leadership of the Yakuza Clans ensues as they seek vengeance for the death of their leader.
With the aid from a NYC policeman, a top immigrant cop tries to stop drug-trafficking and corruption by immigrant Chinese Triads, but things complicate when the Triads try to bribe the policeman.