After finished bathing, the compensated-dating girl KA is about to fool around with SANG. SANG suddenly receives a call from his wife and they end up fighting with each other… ON is trapped outside the balcony. YUE wears the protective clothing and suddenly appears to claim that the guests on that floor need to be isolated for disinfection since they are infected with influenza. After YUE has sent away SANG and his wife, a group of officers in protective clothing arrive unexpectedly and announce that they have to impose a blockade of the hotel… YUE and part of the guests attempt to break through the police blockade. Yet ON goes against her and convinces everybody to accept the isolation for seven days. LUNG calls up his superior CHEUK KEI to inform him that he suspects the kidnappers and the hostage are hiding in the hotel. NAM informs BO and due to the isolation, BO is unable to hand over the hostage.… ...