Overview: KA-YING's client is suddenly absent and TING-HANG arrives instead. They talk about LO SO and TING-HANG reveals that KA-YING has misunderstood LO SO. SHING FONG and SHING YI's teacher reveals that the brothers are beginning to be curious about sex. The teacher asks KA-YING to teach her children something about sex and KA-YING plays tricks in order to get help from LO SO. LO SO teaches the children to eat a balanced diet and to prevent wetting the bed in his own way. KA-YING is surprised to discover LO SO crying when watching TV. SIU-NA returns to office early in the morning to steal some stationery and she discovers that SHING MING is back. SHING MING reveals that he has returned the money to the safe already. DOR-CHUN and the others question SHING MING why he has taken away the money and disappeared suddenly. KA-YING scolds him for not contacting them at all and she reveals that KA-TING is arrested by the police in USA……