Kei's eldest sister Sandra is a hot-tempered magazine editor and her temperament has left her single all this while. One of the family rules is that none of the siblings could get married before their eldest sister. Kei seeks help … Sandra Ng Kwun-Yu, Louis Koo, Raymond Wong, Ronald Cheng, Ha Chun-Chau, Lee Heung-Kam, Guo Tao Added on Netflix 2023-07-23. Youtube Trailer