Actors : Yiu Fai Cheung, Mai Ching, Aman Chang, Lo Hung, Directors : Bosco Lam,
Siu-bak-choi ("Little Cabbage") is a female servant of the physician Yeung Nai-mou. Yeung invents a type of condom to help people avoid contracting sexually transmitted diseases, but his idea was not accepted and he was scorned at.