One day in 2001, Jia Xiaoling, who had just been admitted to university, experienced a great ups and downs in her life. One wants to be proud of her mother because of her mother was suddenly a serious accident, and very sad. In the state of Jia Xiaoling emotional collapse, unexpectedly returned to 1981, and met with the young mother Li Huanying, two people inseparable, just like bestie. At the same time, also met a group of naive kind-hearted good friends. Xiaoling thought that came to this "vast world", she can rely on their forward thinking, let her mother "great success", but the result let Xiaoling was surprised