Having discovered a clue, SZETO SHUN goes with the others to look for the his younger brother's whereabouts, only to find out that his younger brother's neighbours have no idea where he has been ever since his foster parents died a long time ago. LAM LING cannot stand the out-of-date management and equipments of the Private Investigators, so she leaves the company. NIK-HANG loses his change wallet, however, because of that, he and SZETO SHUN get to know that CHUN-NI is gifted with an eidetic memory. After intently recalling her memories, CHUN-NI remembers a name called "TAI FU-LUNG". Therefore, the three of them locate FU-LUNG's grandmother, GRANNY MUI, who reveals that FU-LUNG has already fled to Malaysia along with the man who looks like SZETO SHUN. Leading CHUN-NI to her newly established business "Agatha Investigation", LAM LING once again invites CHUN-NI to join her company.… ...