Overview: YUEN and the others believe that KIT is responsible for the two murder cases. However, YIN believes that KIT is innocent. YUEN and YIN quarrel with each other terribly. YUEN finds out that KWAN was KIT’s fiancee. He then got some clues. Meanwhile, YIN discovers LIN`s car being found at KIT's home very suspicious. Just before her death, TONG had taped a video for KIT and the murderer's face was also recorded into the video. The real murderer is identified. Before her death, TONG showed that she still cannot forget YUEN. With TONG's sudden death, YIN feels that there is always a gap between YUEN and her. YIN decides to leave Hong Kong. YUEN hurries to the airport and pays a last effort to bridge their gap.