This book tells the joys and sorrows of several families living in Harbin at that time, reflecting the struggle and pain of a generation after passion. The eldest sister He Ningzhi, who jumped in the queue in Beidahuang, returned to Harbin with her husband and battalion commander Lin Chaoran. Also returning to the city with them were Luo Yimin, Yang Yifan, Zhang Jihong and other educated youths under Lin Chaoran. At this time, the legacy of the Cultural Revolution had not yet been completely eliminated, so they experienced the hardships and confusion of life in the city. The emotional road of the three He sisters was also bumpy. How should their respective lives and emotions be settled?