weapon, Michelle killed her and staged it as a suicide. Case 7 (Episodes 21–25) Bowie Wu as Chin Kang, Howard (錢根), a billionaire who is Bonnie's husband. Also, Ella, Elaine and Hilbert's father, and Wind's grandfather. Halina Tam as Yiu Lai-ping, Bonnie (姚麗冰), Howard's second wife, who was killed by Chung accidentally. Rosanne Lui as Chin Mau-ying, Ella (錢茂英), Howard's elder daughter and Wind's mother. Cheng Tse Sing as Chin Mau-lam, Hilbert (錢茂林), Howard's second son and Ella and Elaine's brother. Florence Kwok as Chin Mau-sum, Elaine (錢茂森), Howard's third daughter and Ella and Hilbert's sister. Steven Ho as Cheung Kan-ming, Paul (張謹明), Howard's son-in-law and Elaine's husband, who was killed by poisoning. Yeung Ying Wai as Yeung Wai-dat, Martin (楊偉達), Howard's lawyer. Yeung Ching Wah as Kwok Ching-chung, Chung (郭精忠), Howard's servant, who killed Bonnie and Paul. Ron Ng as Lee Chin-fung, Wind (李展風), Howard's grandson and Ella's son. Case 8 (Episode 26 - 28) Yvonne Ho as Chui Yan-yuet (崔恩月), nicknamed Sister Moon, an operation manager of a toy company, who is the subordinate and also the mistress of Chan Wah-keung. She was killed by Tsang Lai-sim, her subordinate. Wilson Tsui as Chan Wan-keung (陳華強), toy company owner, who is Moon's boss and lover. Tsang Wai-wan as Tsang Lai-sim (曾麗嬋), Moon's subordinate who killed Moon accidentally in a dispute. Law Ho-kai as Ma Chun-ping (馬俊平), a building security officer who had a dispute with Moon before Moon was killed. Shum Po-yee as Katy Cheung, Chan Wan-keung's subordinate and mistress. Case 9 (Episode 28 - 30) Joseph Yeung as Chung Chi-pong (鍾志邦), Fung Hiu-ching's husband and Chung Hok-sum's father. He was hurt by Chiu Tai-lung and then killed by Tam Sing-yung 30 years ago. Chan Nim-kwan as Fung Hiu-ching (馮曉靜), Chung Chi-pong's wife and Chung Hok-sum's mother. She was killed by Chiu Tai-lung 30 years ago. Maggie Cheung as Mandy Chung Hok-sum (鍾學心), Chung Chi-pong and Fung Hiu-ching's daughter, the only witness of the deaths of her parents. Eric Chung as Tam Sing-yung (譚成勇), who was sentenced to life after the murder. But until his death in prison, he only recognized he killed Chung Chi-pong, but not Fung Hiu-ching. Nancy Wu as Chow Yik-fei (周奕霏), Po Kwok-tung's ex-wife, a barrister and later a law columnist. She wanted to find the truth of the murder but she was killed by Chiu Kwok-chi. Law Lok-lam as Chiu Tai-lung (趙大龍), a village