A female police commissioner tries to investigate the murder of an 11-year-old girl at the hands of her mother. Leila Tong,Maggie Siu,Pinky Cheung,Samuel Pang,Koni Lui,Sherman Tang,Wai-yan Cheung,Yoyo Law,Siu-Fai Cheung,Shiu Hung Hui,Winnie Shum,Ka-Chung Lau,Chi-Yan Choi,Hin-Wai Au,Snow Suen,Wai-Yip Ho,Happy Wan,Shiga Lin,May Yu,Wan-Yi Lee