Mandy Wong
Ming's younger brother Ng Chung-Hong (Law Chung Him) meets Yan's younger sister Cheung Siu-Man (Mandy Wong) and love grows spontaneously. However, Yan finds out Ming's identity and she believes that the two brothers are making use of them to carry out an investigation. On the other hand, Ming learns that Yan's cousin, Leung King-Ho (Yuen Shiu Cheung), is released from jail and that he was familiar with a gang leader, so Yan is considered in connection with the case. Their blossoming relationship is thrown into turmoil as they get closer to the truth.