Mr Wan is about to break up with Mrs Wan as he is again preoccupied with whether their daughter is still alive. Although Hon-sam and Sam-yuen see this case from different perspectives, but Hon-sam begins to like her. On-na discovers some clue in Ching-ching’s letter to Mr Wan. She coaxes the perpetrator into showing up. The case is solved, inspiring Sam-yuen to realize Ching Fung is always on her mind. She resolutely decides to ditch Hon-sam, who she has just fallen in love with, and go overseas to pick herself up again. CCSIU investigates an indecent assault case and uses team member Fong Siu-kiu as bait to lure the sex maniac into showing up. During the pursuit, Tat-wah flees because he is carrying a gun. But Hon-sam wrongly thinks he is the sex maniac. Tat-wah exactly bumps into On-na.