HANG was a spy nine years ago. He was the one who made SO got into the prison. BON and HANG become very good friend after the incident. CHUNG asks YUNG to join him in drug trafficking. YUNG uses KIN in drug trafficking. However, it involves KIN into trouble. The police officer, T AM, suspends KIN from duty. YUN reforms himself. He works in the car park. YUNG is glad for his change. FONG eventually finds some evidence. KWONG thinks that those evidence could not help BON to appeal. FONG will not give up.