YAU-KIT finds YAU-CHING acting strangely and he tries to capture him but YAU-CHING escapes. On the other hand, the East Africa terrorists and BLACK DOG join hands together to rob the bank. YAU-CHING discovers a bomb inside the travel bag and he throws it into the river immediately. YAU-CHING and the others try to meet up with BLACK DOG. While following them, YAU-KIT is injured and being captured by the East Africa terrorist. The East Africa terrorists use the bank's decoder to perform illegal activities and YAU-CHING informs ATF. YAU-CHING is actually an undercover police of the Serious Crime Unit for monitoring BLACK DOG's activities. The incident is over and the brothers visit SUK-FAN at the hospital. SUK-FAN is relieved to learn about YAU-CHING's real identity. YAU-CHING plans to take leave but CHI-NGO invites him for a meeting. YAU-CHING meets YAT-KA and he is mesmerized by her beauty. CHI-NGO invites YAU-CHING to work for ATF.