Plot: HUNG BING makes it clear that YAT-YUEN can hardly survive if he has to hand in a thousand silver dollars to NGAI CHUN within a few days, because YAT-YUEN does not want to burn down the medicine nor sell the machines. Having learned of the first aid that KAI-KEI gave to YAT-YUEN, SIK-KANG is impressed that KAI-KEI has such courage and wisdom at such a young age