Huli, Beijing, is home to the Chen, Lin, and Pan families. After forty years of reform and opening up, their lives have undergone earth-shaking changes. The Chen family is an ordinary family. Their son Chen Huan was one of the first batch of college students after the resumption of the college entrance examination. He later became a famous economist. Their daughter Chen Qing and son-in-law He Dahai experienced layoffs and re-employment. The youngest daughter Chen Xiaoou is a woman of the new era. The Lin family is a high-ranking cadre family. Their son Lin Yida was transferred back from the third line of the university and brought back his rural daughter-in-law Qunying. He first worked in a government agency and then went into business. Their daughter Lin Pingping was admitted to university and later went abroad for further studies. Pan's son Liangzi is an unemployed young man. His mother Pan Taohao is counting on her son, but Liangzi is not up to the task. Year after year, Chen Huan has achieved a career but lost his love. Lin Pingping realized his dream of going abroad, but his life was very rough. Chen Qing experienced layoffs and found himself after re-employment; He Dahai's business has ups and downs, and he finally has his own destination. Lin Yida got lost on the road of business and divorced and remarried. Qun Ying was trained from a nanny-like young wife to a strong woman.