SING finds himself more and more deeply in love with HEI, but is just too proud to express his affection for her. HEI gives LONG a call asking him out for dinner. Knowing that LONG is hanging out with SING at the moment, HEI gives the lad a terrible telling-off at once and the pair start quarreling over the phone soon afterwards. LONG reveals to SING that the shabby old cap that HEI had been keeping was the only thing left from her late father. SING comes to realize why HEI is so concerned about the cap and starts to feel guilty towards her. LONG have some hiccups while investigating the “dog meat feast” scandal, but HING just manages to save him from the predicament in the nick of time. Taking into account his phobia of dogs, LONG finally agrees to let HING take part in the probe……