Episode 5

YAT-YIN manages to rescue CHI-LEUNG from SAI-CHEONG's henchmen all by himself and flees. Midway through, he runs into MADAM LEUNG and LEUNG SUM, so YAT-YIN guides them to take shelter in a safe place for the time being. Upon his return to the police station, YAT-YIN directly reports to his supervisor, a westerner, with regard to the situation of CHI-LEUNG and human trafficking, above which he even successfully convinces his supervisor to go to the safe house in person. However, when they arrive there, they find the house empty. With the prostitutes from the big four brothels once again gathering outside of the commissioner's residence, SOPHIE is unable to resist enormous pressure from the masses anymore, so she expresses that the commissioner, CHARLTON, agrees to give them a five-year buffer period. Through his investigation, YAT-YIN surprisingly uncovers that NGO-SHAN asked SAI-CHEONG to help look for his long lost biological son……