S1·E29 Episode 29

KWONG goes to the airport to pick up the witness. Unexpectedly, the witness is died of heart disease. KWONG requests the judge to delay the court for a month as they need time to find the female witness's divorced husband, CHUNG, to give statement at court. The judge allows to postpone the court for a week. KWONG finds that CHUNG is in France. He goes to France to find him.