The Secret Code
Leader of the Celestial Devil Gang Mo Fu ends an underling to infiltrate the house of code expert Cheung Yuet-ting in pursuit of the Mafia's secret intelligence. The unyielding man is killed, and the Mafia is framed for the crime. Cheung's instrumental role in the Mafia is succeeded by his daughter Oi-lan, who leads both gangs onto a deadly chase. Just then, Oi-lan's bosom friend Chan Yu-lam emerges from years of oblivion as a Mafia member and offers the wanted woman protection and assistance in retrieving the late father's cache. Mo's underling Lau Kei-fung is assigned the task of playing the confidence game in the Cheung household, preempting Oi-lan from accessing the classified information and abducting both Oi-lan and Chan before the Mafia can reach the key witness. Acting on a tip-off, the police raid the apartment and arrest both gangs. Chan, the undercover police officer, gains both Oi-lan's trust and affection. (Synopsis based on audiovisual materials)
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Top Cast

Ting Ying
Cheung Oi-Lan
Cheung Yee
Chan Yu-Lam

Lam Kau
Boss Mo Fu

Helena Law Lan
Cheung Yuet-Ngor

Lok Gung
Detective

Tang Ti
Tin Lung

Ling Mung
Lau Kei-Fung

Chow Gat
Chan Chik

Fung Ging-Man
Can Ceng
Lam Liu-Ngok
Leung Yim

Fung Ming
Policeman

Lam Yuk
Gangster

Wong Kung-Miu
Cheung Yuet-Ting

Yeung Chun-Sing
Detective

Wan Ling-Kwong
Detective
Crew
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Cinematographers
Editors
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