PAO discovers that LUNG has a foster-daughter and suspects that she is the assassin who tricked CHIU away. PAO is lurked by LUNG but is saved by CHIU. PAO visits LUNG in the yamen. CHIU discovers that the officials are wearing clothes with clothes coinciding the corpses' wounds. PAO and CHIU decide to hold a banquet to see if LUNG has a wound on his arm. They also discuss KAU's case in front of him to see his reaction. YIK overhears the plan. PAO orders a fisherman to accuse LUNG. CHIU catches LUNG and wants to check his arm. YIK comes and attacks them. YIK hurts LUNG's arm and as the new wound covers the old one, PAO and CHIU cannot identify LUNG.