YING-TIN's high-handed attitude infuriates PONG KIT, fortunately, WING-YEE shows up and resolves the dispute between the father and son. Ever since the widespread power outage, TING-SZE and HO NIN have been wanting WOOD-CHEUK to teach them how to catch the vampires, so WOOD-CHEUK demonstrates his coin-tossing skills. MUNG-YIU invites WOOD-CHEUK to attend her graduation ceremony, however, WOOD-CHEUK turns her down after learning that MUNG-YIU is actually MUNG-NAM's younger sister. At the graduation ceremony, TING-SZE and HO NIN give lover stones to MUNG-YIU respectively, to which MUNG-YIU does not know how to react. Suddenly, the Special Duties Unit (aka the Flying Tigers) rushes into the venue to apprehend the criminals, on the heels of which vampires out of the blue appear and kill the police officers there. Just as the vampires are about to attack MUNG-YIU, TING-SZE and HO NIN brave it out but are injured instead……