Lam invites Chiu to the discotheque and they play happily. Their relation improves a lot. Lam arranges to have dinner with Chiu during her birthday. However, with continuous obstruction and misunderstanding, Chiu is scolded 'and insulted by Dora. Chiu is so angry that she goes to the bar. She 'is insulted by the rascals. Meanwhile, Lam arrives and saves her. They have sexual relation after this exciting event . Ying sees that Chiu does not return home overnight and returns home untidily. She thinks that Chiu must be sold her body' for money. She therefore decides to study abroad. Chiu misunderstands that Lam does not care her. She is very' sad. Lam guarantees that he won't change his mind. Chiu is' then relieved. Ying by chance knows Chiu and Lam's relation. Her misunderstand?ing for Chiu is then melted. The sisters are then living in harmony again.