MEI-SUN recalls that she once encountered an air-con repair technician. It turns out the technician is WUI-YAU, who used to work in the industrial building where CHAN KAI-NI was killed according to the investigation conducted by PO-TI and the others. Following WUI-YAU to the back alley around a street corner, MEI-SUN gets attacked and has a narrow escape. After PO-TI submits all the relative evidence to TIN-LAM, she concludes that it would not be enough to convict WUI-YAU. TIN-LAM's father, FONG CHING, suddenly returns from Australia to Hong Kong, which catches TIN-LAM unprepared. Having called her uncle, she comes to realize that the gradual deterioration of her father's Alzheimer has become more and more severe. She then invites JO-JAN back home for dinner, during which she not only frankly tells him about FONG CHING's current situation, but also asks him to pretend to be her lover again……
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