Leader of the Celestial Devil Gang Mo Fu ends an underling to infiltrate the house of code expert Cheung Yuetting in pursuit of the Mafias secret intelligence The unyielding man is killed and the Mafia is framed for the crime Cheungs instrumental role in the Mafia is succeeded by his daughter Oilan who leads both gangs onto a deadly chase Just then Oilans bosom friend Chan Yulam emerges from years of oblivion as a Mafia member and offers the wanted woman protection and assistance in retrieving the late fathers cache Mos underling Lau Keifung is assigned the task of playing the confidence game in the Cheung household preempting Oilan from accessing the classified information and abducting both Oilan and Chan before the Mafia can reach the key witness Acting on a tipoff the police raid the apartment and arrest both gangs Chan the undercover police officer gains both Oilans trust and affection Synopsis based on audiovisual materials
