YEE gets pestered by HUNG again outside the police station. As soon as YEE catches sight of FUNG, she grabs his arm and the pair begin to walk away shoulder to shoulder. MAN makes a new friend, LING, while attending an extra-curricular class. The girls get on really well as they both come from a single-parent family. LING is alleged to have eaten someone else’s chocolate bar, but she denies it. Luckily TUNG is there to prove LING’s innocence, for which REBECCA feels so grateful. HUNG tells FUNG that he is required to take part in the filming of the TV documentary “Police Magazine”, making the whole team believe that HUNG is trying to seek revenge on FUNG. FUNG runs into CHAN during the filming. CHAN reveals that one of their teammates will be leaving soon, and FUNG wonders if HUNG is going to transfer YEE to another section. The Government Flying Services have found a human skeleton on a desert island in a rescue operation.… ...

YAU gives statements at the police station, during which he points out that JAY had gone missing while canoeing alone as verified by three of his friends. TUNG studies the purchase receipts found near the skeleton, and discovers that JAY did visit Lamma Island before his death. YEE and FUNG go to question JAY’s friends ALEX, BOWIE and MICHELLE at a gym. ALEX reveals that JAY had a quarrel with a boatman on Lamma Island, who he believes may have something to do with JAY’s death. HING comes to respect REBECCA more and more when he knows that she is a fervent supporter of environmental conservation and manages to achieve such a successful balance between work and family. Having learnt from YEE that ALEX has a residence on Lamma Island, YAU means to test him out at the gym. YAU tells ALEX and BOWIE that he has got something which is left by JAY...

CINDY reveals to the police that BOWIE was rushing to leave Hong Kong and that he had been beaten up by YAU shortly before his death. YAU is then detained for investigation on suspicion of murder. SUM hopes TUNG can have a check at Chung Hom Kok where YAU crashed his car, and TUNG promises to try his best with the evidence collection. YEE discovers that ALEX had called BOWIE before he was killed. ALEX does not deny it, and goes on to explain that BOWIE who had planned to leave Hong Kong was trying to borrow money from him. FUNG has dinner with YEE and PING at their place. Knowing that YEE is going out with FUNG, PING becomes so enraged that she drives him out of the flat right away. In order to avoid REBECCA, HING would rather stay at TUNG’s office and refuses to go home. YAU points out to CINDY that JAY and BOWIE may have been killed by the same person.… ...

CINDY’s body is lowered from the ceiling fan, so that SUM can proceed with the forensic examination on the spot. The police discover that CINDY has typed a suicide note on her computer. SUM releases the autopsy results to the police and the Forensic Science Division, making everyone believe that CINDY’s death is a case of murder. Based on the information provided by the Forensic Science Division, FUNG and CHAN go to a trophy shop to look for clues, where they have made some new discoveries. YEE and FUNG hurry to the gym to arrest ALEX. But after receiving a call from her teammate, YEE explains that MICHELLE is the one who should be arrested. While YEE is waiting to take statements from MICHELLE, ALEX suddenly arrives with his legal counsel and turns himself in. SZE reveals that YAU’s mother has been urging him to propose to SUM, which SUM finds a little worrying. YAU gives SUM a gift while dining at a high-class restaurant.… ...