A private investigator and a police inspector team up to pursue a notorious mobster, who is plotting to milk an old millionaire out of his highly-valued stocks and bonds. Along the way, the investigator crosses paths with a femme fatale and silly gangsters.

• Cinema City & Films Co.
• George Lam Chi-Cheung
• Teddy Robin
• Karl Maka
• Tang Kei-Chan
• Yiu Wai
• David Wu
• Chan Chi-Wing
• John Shum Kin-Fun