Various distinguished members of Hong Kong high society were being blackmailed by mysterious and attractive lady Chang Siu Juen, who seems to know the secrets of their past and present illegal activities. Millionaire Cheng Yung Seng knew that it would be his turn next. He thus planned to eliminate Chang first but the plan did not work out and Chang was saved by private detective Fang Dai Kuen...
Cast
Alan Tang Kwong-Wing
Fang Dai-Kuen
Tang Ching
Cheng Yung-Seng
Pan Yung-Sheng
Cheng's thug
Sombat Metanee
Insp. Lo
Meg Lam Kin-Ming
Chang Siu-Juan / Chen Wan-Lan
Nick Lam Wai-Kei
Private eye Huang Sin Wei
Chin Yuet-Sang
Cheng's thug
Che Dei
Huang's employee
Peter Chan Lung
Cheng's thug
Billy Chan Wui-Ngai
Cheng's thug
Gam Tin-Chue
Extortion victim
Aranya Namwong
Tin Hsiang
Suthep Wibunnan
Unknown
