With the martial skill of CHAN, LUNG and CHING think that he is definitely not an ordinary technician. LUNG meets YUE while he is deep in thought at the roof. LUNG is overwhelmed when YUE kisses and slaps him without demur. While NAM is taking care of LONG inside the room, his colleagues KWOK CHI-WAI and YIP CHUI-LING come in for a tryst. NAM then realizes that WAI is the one who spreads around the uncanny affairs about the room. NAM worries that the hiding of the hostage may be exposed; he then creates some oddities and scares WAI and LING to death… According to the plan, YUE helps ON to sneak into the vault. YIN claims that she has lost a valuable necklace and assumes that it has something to do with LUNG. While avoiding the body search from the securities, LUNG hides inside a storeroom. A mysterious person stuns him and steals away his police gun.… ...