TAK-KEI sneaks into KA-KA's bedroom and discovers the badge that belonged to ISAAC in her closet, so he suspects that KA-KA's ex-boyfriend should be the same one as CHOW CHING's. MAK SEI and OI-KIU send the counterfeit baby formula for lab tests, and OI-KIU is very worried, knowing that SHUM WING fell victim to a scam. Seeing that SHUM WING continues to borrow money from his wife, OI-KIU starts getting suspicious of him. KWOK-WAH pours out his complaint before TAK-KEI, claiming that CHOW CHING has been playing with him. Tailing after SHUM WING, OI-KIU and MAK SEI surprisingly see CHING-MUI work at a foot massage place, and they are greatly puzzled by what they see. They turn around and follow CHING-MUI, only to find out that she enters a room together with a man.