KIT's colleagues discover that KIT used to be MING's student. They believe that KIT has close relationship with MING so they put him on their guard. During KIT's first investigation task, his colleagues ask him to wait in the car. He discovers a suspicious Indian or Pakistani and this man passes by with a chemical product’s plastic bag. KIT raises his suspicion during a meeting but NIN doesn't agree with his viewpoint. YUE invites KEI for lunch. KEI is surprised to find that WAN Sir and his family are there as well. They keep discussing about their future and further studies plan during the gathering. KEI feels stressful with it. SANG rushes to the Marriage Registry to register for marriage and FUNG follows him secretly. FUNG tries to arrest them when NGOR gives SANG money but he is discouraged after realizing that this is not a bogus marriage……