LAI reveals her motive of coming to Hong Kong and HING is deeply touched. LAI spends a lot of money on all family members. In order to thank her, HING asks her to stay in his house. LAI has a morbid fear of getting dirty and everyone finds it unbearable. They overhear LAI’s telephone conversation with her landlady. They misconceive that LAI is in need of money. They therefore plan to raise money for her…