LAP hates TAI. He captures a bag of heroine from one of TAI's subordinate so as to exchange for BON's lost pistol. TING tells BON that SHAN has disappeared. She wants him to accompany her to search for SHAN. However, they cannot find SHAN. At midnight, LAP meets T AI at the Devil Mount for an exchange deal. LAP is being cheated. LAP struggles. TAI is being shot to death. SING witnesses the scene. LAP throws the murdering weapon to the sea. He changes some new clothes and burns his old clothes. He wants to remove all evidence against him. Sir LEUNG finds a few pills in the murder spot. The plastic pocket has the name 'TSUI WING BON' written on it. Simultaneously, the expert proves that the bullet in T AI's body is from T AI's pistol. BON is the suspect. The police arrests him. KWONG is BON's lawyer. The prosecutor provides evidence and witness against BON.