Wong is reluctant to sell drugs for Mok and so he often finds excuses to reject him. On the other hand, Wai forces him to be his spy. Not wanting to go against Mok, Wong tries to avoid Wai. Mok sends his men to beat Wong up when he refuses to sell drugs to a youngster. Mei comes to his rescue and injures Mok. When Wong goes with Mei to apologize, Mok, in a rage, rapes her. Mei decides to kill herself but is stopped by Wong. Wong finds that Mei is sincere towards him and he truly falls in love with her. He then offers to work with Wai, pretending to work for Mok in order to gather evidence against him. Though knowing that Mok raped Mei, Wai is caught in a dilemma of telling Tsing the truth since he is working against Mok. Learning that Mok is going to make a big transaction of drugs, Wong informs Wai and Tsing so that they plan ahead to trap Mok……