Shui Kin Yee(Sheren Tang) and Yau Tak(Ai Wai) are divorce couple each taking one daughter Yau Han(bobo Chan) and Yau Wing(Leila Tong) living in Hong Kong and America. The 2 sisters meet each other after several years later. Elder sister Yau Han is optimistic though she has one shorter leg this kind of defect but she still put all her heart in managing her father's swimming business. Younger sister Yau Wing on the other hand is a willful but talented swimmer coming back to Hong Kong from America. Both sisters fall in love for a rich boy called Tong Kei Lok(Edwin Siu). And this rich boy Tong Kei Lok is a gentleman who likes to help people out, however his weakest spot is that he's afraid of water......