In the late Qing Dynasty and early Republic of China, Huzhou textile giant Jiang Yu (Hawick Lau ornaments) acquaintance Rainbow (Zheng Shuangshi) and impress her beautiful and kind-hearted, but found that she is the daughter of an enemy of the Honda Wu. Wu Hongda had framed father Jiang, Jiang family lead to destruction. Ten years after Wu Hongda died suddenly, Wu Jiang Yu buy factory, rainbow that Jiang Yu is the murderer, determined to find out the truth. Rainbow into the factory and more than a fan of the river, but often failed. Jiang Yu falls in love with the rainbow but can not admit that she had to threaten her home nanny, so as to stay with her. In the face of difficulties over the Rainbow River, by virtue of their wisdom and perseverance, kindness, and resolve conflicts. Rainbow and Jiang Yu get along, getting better and better understanding each other, the two were attracted by the good quality of each other, and finally decided to put aside the hatred of the last generation. In the river more than help, the rainbow finally discovered the truth of the death of his father, the bad guys get retribution, lovers. In the Wu and Jiang family together, silk weaving and dyeing national handicraft industry shine, a story.