Overview: When ON-KUI is having lunch with TSZ-YING and CHUI-FA, he invites them to visit the jail with him. While there, CHUI-FA gets to know a prisoner CHAN KEUNG with a nickname called BROTHER LUNG. CHI-NGAI receives a new case, in which the witness for the prosecution is an underaged girl called WAN-SZE, whereas the accused is KAU PAK-TUNG. CHING-CHI feels rather disturbed regarding the case involving WAN-SZE, which also reminds TSZ-BOK of things about KEI-KEI. WAI-WAN goes to attend a promotional campaign for a new book release, and she didn't know the author is actually YIU-LIK himself until she arrives there. CHIN-SHUN offers new fund products to CHEUK-TUNG, yet TSZ-YING doesn't like that her boyfriend tries to sell stuff to CHEUK-TUNG. Coincidentally, TSZ-YING's parents, FOK KUN-TUNG and HUI WAI, also arrive at the same restaurant where CHEUK-TUNG seems to be preoccupied after seeing KUN-TUNG……