A pair of twin sisters (Li Ge and Li Ting) were separated when they were babies because their parents divorced. Because their parents resented each other, they did not let them know that they had another sister. One of them lives in Beijing and the other lives in Lido. However, when Xia Lige was eighteen years old, she participated in the "Princess of the East" singing competition and became an Asian youth idol. Her sister Yu Liting, who looked very similar, saw her performance and began to suspect that she had a sister. However, at this time, two boys and a girl unexpectedly appeared and completely disrupted this innocent recognition...