HUI YUK-MUI wants to find her missing younger brother YUK-ON and younger sister YUK-KEI. MAN-TIK asks YU-FUNG to check out their old files in the past three years instead of handling YUK-MUI’s case. YU-FUNG discovers from the old files that YIK-HIM is a orphan. YIK-HIM finds that YU-FUNG only pay attention to the successful cases and he reminds her that most of the cases in the files are unsuccessful. YU-FUNG realizes why MAN-TIK asks her to read all the old files. MAN-TIK eventually accepts YIK-HIM’s suggestion and allows YU-FUNG to handle YUK-MUI’s case with him. YIK-HIM and YU-FUNG goes to YUK-MUI’s old house and they discover some new information there. After learning more about YUK-MUI’s story, YU-FUNG and YIK-HIM try their best to help YUK-MUI. In order to thank YU-FUNG, YUK-MUI performs face threading for her. YUK-MUI looks at some old photos and she bursts into tears upon seeing FAN WING-SHUN in the photo……