HUNG is angry with CHING and JIAN and devises a plan to send them into prison. He even has evidence against them from JIAN`s teacher, SUN. YUK demonstrates a special technique in court on how they hide the gold inside the coin. Unexpectedly, YUK's demonstration fails. YUK finds out that it was SUN`s trick. SUN sucessfully saves the two from imprisonment. SUN persuades CHING to reform himself so as not to make SHEK worry. CHING is touched. SUN shows his technique in front of YUK. YUK tells HUNG the case. HUNG is very disturbed. There is chaos in the street regarding the gold coins. YEE meets JIAN. She seduces JIAN so as to make him tell her the truth. Fortunately, CHING arrives in time. YUK eventually gets clues in how to hide gold inside the coin. SUN is worried.