Knowing that a man LAI MANG goes after SUM, KEUNG and SAI both support SUM to have another romance but she refuses the appointment. LING gives SAI the information of a customer and he finds that FEI FEI is a popular singer in Southeast Asia when she was young. When SAI finds that they both came from the same town, FEI starts telling him about the past. FEI accidentally exposes that SUM gave birth to a child when she was young and unmarried. SUM even had to take her own son as her brother. SAI is confused about the incident of SUM and reveals his secrets to FU. FU thinks there is no need to verify it deliberately but SAI is not relieved. With the inspiration from a customer, SAI steals the hair from SUM and gives to the laboratory… SAI has written the wrong address and the DNA report is sent to KIU’s home. KIU is mistaken that SAI has an affair outside and needs the DNA report to verify the identity of his own daughter……