Xue Hua (Snow), Lang Hua (Spray), Huo Hua (Sparks) and Yan Hua (Fireworks) are four orphans with musical talents. They grew up together and became sisters. However, Xue Hua is found by her aunt, who brought her to France, and Huo Hua is adopted by the Ye family. From then on, Lang Hua and Yan Hua promised each other never to be separated. Sixteen years later, Huo Hua, who is now called Ye Fan went to France in search for her sister Xue Hua, who everybody calls Angel White. However, Angel was suspected to be dead and the prime suspect was no longer than her boyfriend Qi Yuan. When Ye Fan found out about Angel's death, she seduces Qi Fei, the younger brother of Qi Yuan, in order to seek for revenge and find out the truth about Angel. Meanwhile, Lang Hua, now called Bai Hai Hua, and Yan Hua, now called Bai Meng Hua, grew up together and each already had their own job. Hai Hua soon fell in love with Geng Ruo Chen, while Meng Hua struggles between Han Li and Xu Hao. Finally all secrets will come to light, true love conquered all obstacles, and the four sisters reunite once again.