Cheng Szu is a hostess in a Hong Kong night-club who spends one evening in the company of 4 crooks masquerading as Indonesian billionaires. When CID crash the party 2 of the men, Ling & Hung, escape while the other pair, Lu & Tan, are captured and imprisoned.

Yeung Chak-Lam
Hung Bo Kam

Yolande Yau Pui-Ling
Lu San
Yeung Wa
Chen Qi

Tony Wong
Lin Fang

Sze-Ma Wah-Lung
Lu Si

Ngai Wai-Man

Ma Chung-Tak
Lu Ah Hsi

Hui Ying-Ying
Mamasan
Fung Yun-Chuen
Ka Dai Chuen

Benny Lai Keung-Kuen
Extra

Gam Yam
Police officer

Fung Ging-Man
Mr Feng
Lee Chuen-Sing
Kam's Thug

Ling Hon
Club Manager

Fong Ping
Ms Ching