宋朝宋仁宗即位年间，福建省晋江县泉州有条大江，两岸相对有二里的距离，所以泉州的居民每天都以渡船为交通工具。可是大江的水势激流险恶无比，为此年中翻船丧身大江的人数是不计其数，后来据传说是江中有一龟一蛇二妖在作弄，仁宗天子为百姓安宁派了蔡状元襄往泉州督造大桥，他乃是个孝子，他母曾经发过誓若其子考中三元一定要其子洛阳造桥。蔡襄为国为孝经过五年多造桥的工程一无成就反而损钱、损民为此担忧洛阳江这么险恶。蔡襄自想如果天助造此桥比较简单……

A Taiwanese language film. After the death of their mother, Siok-hui sings in a nightclub to support her younger sister Siok-tshing, but her immature sister looks down on her occupation. Siok-tshing then begins working in a pharmaceutical company where she has a crush on her colleague Bun-pin. But little does she know that Bun-pin has fallen passionately in love with her sister. When she finally discovers the truth, she runs away and drowns her sorrows at a bar. There, a lascivious businessman who stalks her sister forces here to go with him to a hotel. Siok-hui rushes to the hotel, where she finds the man lying in a pool of blood...