fight in the gym locker room. At first, Jim was the prime suspect of Bowie's death but he was soon cleared of suspicion. Stephen Huynh as Wu Kai-yan, Alex (胡啟仁), Jay's friend and Michelle's husband. Originally labeled by the police as the Alpha male of the murders, it was soon discovered that Michelle had manipulated him to commit most of the murders. He killed both Jay and Bowie. Matthew Ko as Tsang Tsz-wah, Bowie (曾子華), Jay's friend. He was the most worried about the murder, at first he wanted to call the police and confess but Alex persuaded him not to. Alex threw his "Fun Fun Canoe Club" keychain along with Jay's body so that the police would be able to trace the murder to Bowie, which prevented him from confessing. When he knew that the police were going to catch on sooner or later, he asked Alex for a sum of money to flee with Cindy. Alex refused and killed him by accelerating his car into Bowie which threw him into the air and a signboard sliced off his arm. Natalie Tong as Cheung Mei-yan, Michelle (張美恩), Jay and Bowie's friend and Alex's wife. She is the main villain behind all of Alex's murders. She puts on an innocent and weak front in front of everyone in order to manipulate her husband into killing those she dislikes. Back then, she accused Jay of trying to rape her which led Alex to kill him on impulse. She also spurred him on to accelerate his car into Bowie. When it was found out that she drew the curtains at Cindy's house before her death, the police arrested her. However, she requested for a lawyer and passed the message to Alex that she was pregnant, leading Alex to take up the blame. However, she wasn't really pregnant and only saw Alex as a tool. When Alex found out, he told the truth. Janet Chow as Wong Choi-fung, Cindy (王彩鳳), Bowie's wife, she didn't know that her husband was involved in Jay's murder. When Bowie died, Michelle was the one who hung around Cindy the most and comforted her because she had a hidden motive which was to find out any new information that the police had. In the end, Jim managed to convince Cindy into suspecting Alex, and when Cindy refused to return the Alex's Sports Climbing trophy which was the murder