The youngest uncle, MING LAI-KEUNG shuttles MING SUM-ON whom is the Executive Director of LUNG FOOK JEWELLERY to work in the morning. They see from far that the designer of the jewellery shop as well as their neighbor, CHENG KIU is doing her shopping… SUM invites KIU and her husband together with the assistant, KWOK WAI-LUNG out for buffet lunch. When KIU and LUNG leave the table, SUM takes the opportunity and asks the husband of KIU, MA HO-MAN to urge KIU to hand over her draft design. MAN’s car is damaged after KIU has lent it to her former schoolmate. KIU therefore forces KEUNG to send them to work as well in the morning. KEUNG knows that SUM tries to keep a distance with her subordinates. In order to stop KIU and MAN from taking the free ride, KEUNG steals away the draft design that KIU is supposed to submit from her home. While KIU is about to confess to SUM on the next morning, KEUNG wants to undertake the responsibility……

MAN decides to renovate the washroom at home. KIU proposes to get her own materials and only pays the labour to the fitting master as to save some expenses. MAN reveals to his wife that a jeweler MR LAI has invited him to work under his company. KIU thinks that it is a great opportunity for the husband to get a promotion and pay rise. Yet she also knows that MAN will not quit his job easily since he has received a great favor from SUM before. KIU purposely leaks out the head hunting news and thinks that SUM wants to see MAN as to make him stay. It turns out that YIM-YUNG wants to re-inset her ruby ring. Moreover, SUM proposes to let KIU to design the ring for YUNG on behalf of her husband… KIU finds that the ruby is missing and from the closed circuit television she finds that SUM has approached her desk. KIU affirms that SUM plays a trick to make MAN stay……

When KEUNG gets home, he is surprised to find that SUM is holding a ruby ring. In fact it is a ring given to SUM by her deceased husband. SUM mentions that both rings are stemmed from the same stone. As to claim the matter, SUM has to endure the pain and hand over her own ruby. KEUNG and MAN go back to the office at night to look for the ruby but it is in vain. KEUNG reveals the truth to MAN as he cannot bear to see that SUM is being mistaken by MAN and his wife… MAN suddenly receives a call from his wife and KIU claims that she has promised MR LAI on his behalf to accept the new job. MAN discloses the truth to his wife but KIU thinks that it is only a subterfuge SUM has used… SUM bumps into KIU and returns the assignment of equity to KIU. When KIU gets home and finds that MAN is prepared for signing the contract, she dare not reveal that she has met SUM earlier……

When SUM has a discussion with the staff about the display of a new series of jewellery, MAN is unsatisfied and asks CHUNG to give some comments to the designer. When seeing that CHUNG is being with a young lady, KIU presses MAN to tell her the romance about CHUNG. MAN has to reveal what he knows… KIU enquires NA about it and NA indicates that the ex-girlfriend of CHUNG wants to reconcile with him. At the same time, CHUNG airs his grievances to MAN that he has actually decided to be with NA and hopes that MAN can help him to make NA happy again. When KIU knows about it, she suggests CHUNG to please NA with the new series of diamond that she has designed. The end result turns out to be a failure… CHUNG has no mood to work and SUM indicates that she would use some administrative means to handle his personal problems if the situation shows no improvement. After hearing that, KEUNG assumes that SUM wants to dismiss CHUNG…

SUM has a meeting with the staff to discuss about getting the design right of the 30 carat yellow diamond from MADAM LO. Yet SUM realizes that KIU wants to leave earlier. When KIU gets the butter crabs that she has ordered, she gets help from a housewife, MARY and becomes friends with her. Everyone waits for SUM to come back for the meeting and since KIU has a date with MARY, she perfunctorily gives SUM an old design drawing in order to leave earlier. NA reports to SUM that she has found the whereabouts of MADAM LO. SUM decides to go and look for her together with KEUNG… In fact MARY is MADAM LO. When KIU hears the words of criticism that MADAM LO disparages the design of MAN, she gets mad and claims that MADAM LO knows nothing about design. Seeing that KIU has offended such important customer, YUNG vents her frustration on SUM and SUM has to swallow it all……