Nan Pei has liked Zhuo Qing since she was a child, but Zhuo Qing only regarded her as a friend's sister. She also had a beautiful and intelligent girlfriend Shen Xianxue by her side, but Nan Pei persisted. Unexpectedly, an accident took away the life of Nan Pei's godmother, Sister Ding. Nan Pei left sadly and returned to study medicine in the United States.