Episode 9 - S3.E9

YI recalls that he found some salty smell on MEI's hair when they were on Larnma Island. POON CHI TO, a psychiatrist, warns that MEI is a dangerous person on the brink of explosion. YI flatters MEI but at the same time allows her to see him dating LUNG. MEI is confused and insane. MEI invites YI to visit HO's tomb together. YUNG and the others get ready to take action. YUNG asks LUNG to go home as her mother has fainted. Later YI finds that LUNG's mother did not have any problem. He realizes LUNG's dangerous situation and rushes to save her. MEI wants to push LUNG down the cliff with her car. YI arrives just in time to save LUNG and arrest MEI. MEI admits what she has done and kills herself in the police station.