Xu Hai Lin (Wei Man, 愛趁現在) a ballet dancer, joining a bellet competition. One of her enemies is her half-blood sister (same father diff mother), Xu You Xi (Wang Si Ping, 遇見幸福300天). After the competition end, You Xi mother want her husband to come home with her but he want to bring Hai Lin mother along as well. So Hai Lin and You Xi excuse themselves from this awk-to-the-ward situation.