Ma Lan (Qin Yi), who was born in the city, was unwilling to be a mediocre housewife and determined to take part in the surging socialist construction. Her parents did not agree with her plans, but she resolutely goes to the construction site. There others look at her strangely, but Ma Lan does not care. The master Hu Agen looks down on women, dismissing Ma Lan, who decides to learn to drive a loader. Even in secret if she must.

Wei uncle from the off with her daughter Shirley flee from famine came in the northeast, under the rule of the puppet work in the coalmine. Wei uncle married the daughter of Shirley Wang young miners, on their wedding day, coal mine gas explosion, Wang kille. Then, after a period of time, Shirley and miners He Zhenggang marriage, the two gave birth to a daughter, named Shu-Fang. Soon, He Zhenggang mine gas explosion has died, Shirley was the second blow. Good hard-working miners Luwan Chun in Shirley, a time of extreme difficulty, hand to help her, the two gradually built up a strong feelings, Luwan Chun's adopted son, and Shu-Fang Jiang Ming also became good friends. However, Shirley does not want Luwan Chun for their hardship, and her daughter returned to Shandong to visit his Shu-Fang. After the liberation, Shirley has her daughter Shu-Fang to the northeast, to find long-lost father, uncle and met Wei has become a model of labor, Luwan Chun.