A 1967 Cantonese language action film directed by Cheung Wai-Gwong, starring Connie Chan, Adam Cheng and Liu Chia-Liang. Ming-Wai & Ming-Sing, a brother and sister (dual roles played by Connie Chan) who must go undercover in a gang to rescue their uncle.

• Tai Chee Film Co.
• Connie Chan Po-Chu
• Sek Kin
• Adam Cheng
• Lam Kau
• Yip Ching
• Ma Siu-Ying
• Alice Au Yin-Ching
• Lok Gung