The retired Senior Correctional Officer MA FU goes to have breakfast in the restaurant. While waiting for seats, MA FU finds a couple leaving in a hurry with a crying child and he finds it suspicious. He stops them to question them if they are going to sell the child… After a business transaction, MA KEUNG is preparing a cheque in his 2nd hand shop “Treasure Hunt” for his business partner BING. His wife LO LAI-SHEUNG arrives at the shop for they are going to join MA FU at the restaurant together. LAI-SHEUNG learns that MA KEUNG has bought some glasses from brother BING and she believes that BING is taking advantage of her kind-hearted husband. MA KEUNG announces to all family members including CHI-YAN and CHI-LEI that he would organize a celebration dinner on MA FU’s birthday eve. He also plans to take a family photo at Uncle FAN’s photo studio on that day and latecomers will be fined a hundred dollars per minute……

MA KEUNG learns from the management office that many pipes in the building are burst. MA CHONG reveals that leakage is found in their kitchen pipes as well and MA KEUNG decides to help. MA KEUNG delivers 2nd hand furniture to the TV station. He discovers that the celebrity MEI MEI is scolding CHI-YAN and he steps in to help. LAI-SHEUNG is shocked that MA KEUNG has agreed to support CHI-YAN in continuing his studies in Paris and she discovers CHI-YAN’s trick later. MA KEUNG has got an old straight-backed chair made of red wood and he is overjoyed. LAI-SHEUNG tries to renew the lease agreement of the shop but the landlord insists to increase the rent for 40%. In order to justify his discernment, MA KEUNG suggests putting the straight-backed chair to an auction. MA CHONG cannot return home in the middle of the night since he has forgotten to bring the key……

MA CHONG, MA FU, MA KEUNG and his wife go to the auction together. They are shocked to discover that the straight-backed chair is an antique used by JI XIAO-LAN in the Qing Dynasty. MA KEUNG decides to share the 5 million dollars with his family and MA CHONG suggests buying a car. MA FU overhears their conversation and he urges him to return the 800 thousand dollars he lent him for paying the 1st installment of his flat. MA CHONG brings MA KEUNG and LAI-SHEUNG to a shop. He reveals that the owner is selling the shop for 18 million dollars only and LAI-SHEUNG is overjoyed. After getting the money from auction, LAI-SHEUNG is excited that they can buy the new shop soon but she is worried that MA FU will chase them to return the money for their 1st installment. MA FU learns that they have got the money and he urges MA KEUNG to pay him immediately……

LAI-SHEUNG finds it suspicious that MA FU suddenly chases them for the loan. She worries if MA FU has been cheated by others and she asks MA KEUNG to investigate the case. MA KEUNG is shocked to discover a young lady holding MA FU’s arm while entering MA FU’s building together. MA KEUNG reveals his findings to LAI-SHEUNG and MA CHONG in a family meeting. He decides to return the money to MA FU and LAI-SHEUNG decides to talk to him when giving him the money. In a restaurant near MA FU’s home, LAI-SHEUNG finds MA FU and the young lady acting intimately. LAI-SHEUNG believes that MA FU will be in danger soon and she asks MA KEUNG and MA CHONG to come immediately. When they enter the hotel room, they find MA FU staying with the lady and her husband inside. MA CHONG starts a fight with the man…

MA KEUNG and LAI-SHEUNG decides to start a “Caring Campaign” for MA FU. They urge CHI-YAN, CHI-LEI and MA CHONG to spend more time with MA FU. MA CHONG promises MA KEUNG that he will deliver some stomach medicine to MA FU but he becomes drunk after drinking with friends. Instead of being taken care, MA FU has to take care of MA CHONG and clean his vomits. MA FU reveals to all family members that he has sold his flat already and he will live in CHIU Sir’s elderly home. As for the money he got from selling flat, he will give it to MA KEUNG for buying the new shop. After returning from a trip, MA KEUNG and LAI-SHEUNG discover that CHI-YAN, CHI-LEI and MA CHONG have not been seeing MA FU at all. The TV news is reporting that an old man living alone is found dead suddenly and the brothers are very worried. They rush to MA FU’s home but they fails to open the door……