After the death of his girlfriend Nancy, O retreats into his own world as a hitman in Hong Kong in the employ of C7. He hires Chin to clean his apartment, a woman who bears an uncanny resemblance to Nancy. His chief competition in the underworld is the equally mysterious Japanese hitman Tok who decides to reveal O's identity through Chin and challenge him to a duel. With Chief Inspector Lee also closing in after five years in pursuit, O turns to C7 for assistance. But C7 has a secret that puts O's life in danger...
2001 Hong Kong Film Awards (HK, China) : - Nomination : Hong Kong Film Award for Best Film Editing