Overview: The mosaic master UNCLE BIU claims that the design drawing of KIU is messy and SUM can tell that UNCLE BIU has something bothering his mind. UNCLE BIU finally reveals his plan of retirement and recommends his junior fellow, KIM-HUNG to take over his position. SUM and KEUNG are invited to join the birthday celebration of YAU-WAI. At the banquet, WAI recommends his cousin to replace UNCLE BIU but SUM immediately indicates that she has already hired the junior fellow of UNCLE BIU… The junior fellow of UNCLE BIU gives up the invitation from LUNG FOOK since he has a much better offer from another company. When KIU sees the fine inlay of a brooch, she bets that it is made by an expert. When KIU tries to inquire about the maker at a cafe, she bumps into CHU BO… As to show her sincerity, SUM brings along the contract to meet BO. Yet BO claims that he must bring along his apprentice DAI-HUNG to work……