Overview: The exhibition venue is flooded. CHEUK-SZE says that YAT-SHING and his son were the last ones who left the venue and they should be responsible. YAT-SHING and SHING-CHIT are worried for they need to find a new venue. CHEUK-SZE reveals that she has found one with her own connection. TSUI-YEE believes that the venue was flooded because of CHEUK-SZE and she tries to carry out investigation. YAT-SHING and SHING-CHIT try to divide the tasks for organizing the exhibition. In order to invite BACKHEM to the event, SHING-CHIT goes to have a contest with him. On the other hand, CHAT-SAI brings TSUI-YEE to the office to look for CHEUK-SZE's criminal evidence. During the exhibition, BACKHEM is absent and the event fails. YIP TSAU dines with the customer and the customer is willing to give them one more chance. CI-KIT finally decides to pass the toy city project to CHEUK-SZE……