Shun-chiu is frustrated as he realizes the cat which he has stolen from On-na’s place is not that particular cat he is looking for. Sha-doi actually has some USB drive which Shun-chiu has been looking for. Sha-doi asks Hon-sam to teach her self-defense. On-na feels awkward as she sees the duo getting physical. Sha-doi wants to make Hon-sam and On-na contradict each other. But Hon-sam tells Sha-doi what he is going to do next. One day, while Hon-sam is going out with On-na, Sha-doi shows up to provoke On-na. The duo scuffle. Sha-doi falls down the stairs in front of Hon-sam. To find Pak-keung’s hideout, Tat-wah insanely gets in the way of some female model who is going to the club to take care of Shun-chiu and his chums. The next day, the female model drops dead at the club. Sam-yuen returns to handle investigation.