NI is throwing a birthday party for Mrs. CHIN’s beloved dog “Diamond”. Mrs. CHIN gives a diamond to her dog as a gift but the diamond has disappeared during the party. BUD comes to investigate and cracks the case in no time. Mrs. CHIN leaves Hong Kong for a business trip. She asks NI to take care of her dog. Diamond uses luxurious daily commodities. While NI finds it hard to afford the expense, she finds it embarrassing to ask for advance payment from Mrs. CHIN too. Diamond disappears. NI blocks the whole building to search for it. BUD comes to his help and they finally find Diamond. NI brings Diamond to a beauty shop. The shop owner, JACKY, flirts with NI. NI would not refuse his flirting, but she finds him a bit of an eccentric. Mrs. CHIN has returned. She is very angry Diamond will not follow her home. Mrs. CHIN leaves in anger. JACKY has died mysteriously. Diamond has gone missing again. BUD finds the case suspicious……