KWOK SUNG owes a large amount of money to the loan shark. He returns home to seek help from father, but he sees CHEONG SHAN died in the blood. He becomes the first witness.

PING ON knows the responsible police superintendent, Mr LAW quite well. Superintendent LAW uses PING ON's relationship with KIM 1 s family and invites ON to cooperate with TAI YAN to investigate this case. TAI YAN dissatisfies the high spirit of PING ON.

TIN MAN tells LIN SUM about the death of CHEONG SHAN. Apart from showing her shock, LIN SUM seems to hide some secret.

PING ON has a series of investigation. He verifies that CHEONG SHAN's neck has been cut which causes his death. The murderer has the intention to arrange as if it is a robbery in order to hide the truth. All the family members have the suspicion, but he has no hint.… ...