Sheren Tang
Due to a misunderstanding, Yau Dak and Sandy (Sheren Tang) have been separated for eighteen years, but they did not divorce as both of them still love each other secretly. Sandy took the younger daughter, Rain (Leila Tong), to the United States and left the older daughter, Han (Bobo Chan), with Dak in Hong Kong. Yau Han, aka Busy, is an optimistic and caring girl . However, one of her leg is shorter than the other one and she feels inferior. Because of her leg, she rarely swims but have a deep understanding of swimming. She helps her dad teach kids how to swim.