Painter Ding Yi-ming and dancer He Li shares the same passion for art and therefore be united in marriage. To pursue a higher level in dancing, He Li abandoned her husband and three years old daughter Xiao-han, and went to England alone for further studies. She then gave birth to another daughter He Fei in that foreign land. Eighteen years later, Xiao-han who grows up under the love of her father is genial, cheerful and elegant; He Fei who has no one to depend on is beautiful but has a cold character. Yang Rui returns to his country and meets Xiao-han. Xiao-han falls for his easy-going personality and his bright smile. Yang is touched when he knows Xiao- Han hiding her illness. It is because she only wants to bring happiness to the people around her. In order to let her father enjoy his retirement life without worries, she takes on several jobs and works very hard, making full use of each day. After that, Yang is reunited with his childhood sweetheart He Fei and they rekindle their love. Yang is tolerant of her proud character and her consuming love for dancing. A major London musical is looking for leading actor and actresses. Xiao-han and He Fei become main rivals for the leading role. For this musical, He Li returns to her country and tries to find her missing husband and daughter in order to make up for not fulfilling her role as mother. But will they accept her? Jealousy can drive ones crazy. He Fei loses control and pushes Xiao-han down the stage, worsening her illness. Their sibling relationship is revealed and the mother finally meets her daughter……When two are sisters, will they continue to strife in love? On stage, will they continue to contend fiercely? Humanity has its bright side and its ugly side. In the end, who will stay by the sunshine and stay by the lover?