CHI attends LAM's funeral and there she recognizes that IVY is YUNG's ex-girlfriend. She also finds TO to be someone that she should know. Later CHI is killed in a traffic accident. The police discover that TO is not as loyal to his wife as one expects. Thus TO is believed to be the killer of LAM. YUNG leads his men to TO's office to arrest him. They cannot catch him because he dies after drinking a cup of poisonous coffee. Later it is found that IVY is TO's secret lover and her car is of the same model of colour of the one that killed CHI.