1, Synopsis: In order to go abroad, Lu Yuanshan, a Shanghai educated youth of Xinjiang Construction Corps, abandoned his fiancee Tian Meina, who was also an educated youth in Shanghai, while Tian Meina was pregnant. The herdsman sand camel saved Tian Meina's life and was willing to marry her and take responsibility. Tian Meina gave birth to twins, named Xiaotuo and Xiao Na respectively, but died of excessive blood loss. Before she died, she entrusted Sha Tuo to take care of children and adults, and children were not allowed to recognize Lu Yuanshan.

2. At Tian Meina's funeral, Wang Qiang and Xu Qin, educated youths in Shanghai, stole the baby boy born by Tian Meina before returning to Shanghai, and changed their names to Zicheng Wang; The baby girl was brought up by Sha Tuo and named Sha Xiaona. Twenty-one years later, Sha Tuo became a successful animal husbandry entrepreneur. In order to fulfill his wife's last wish, Shatuo took Sha back to Shanghai to find relatives and brothers. He doesn't want to see his biological father Lu Yuanshan again. On the one hand, he is a biological father related by blood, on the other hand, he is a kind adoptive father. A pair of twin brothers and sisters are deeply troubled by emotions and are looking for their own love and career in Shanghai, a metropolis.