Liu Jia Li

Both Carina Lau and Miriam Yeung serve in the Major Crimes Unit. Lau is a newly appointed senior inspector and is full of impulse in handling affairs, while Miriam Yeung has lost faith in the police force. Their informant, Law Mei Wai, in pursuit of informant fees, accidentally discovers a black gun deal. However, Law is afraid of getting involved in the maelagmire and is unwilling to take the risk of gathering information. Only Lau is persistently forcing her. Luo made an agreement with his superior, but he called him Luo instead