One day in the casino, a stranger shows up and wins a lot ofmoney. AH LOON asks CHOU to give him a try but CHOUrefuses. Instead he finds out that the stranger is well-acquainted with his mistress U LAN and that they haveunusual relationship. In anger, he proposes the challenge.They bet on their lives and CHOU loses. It bursts into afight and CHOU flees. Later he discovers that the wholeplot is designed by AH LOON.